In this task, you're given an article and an answer. Your task is to generate the fill-in-the-blank question for this answer based on the given article. The blanks are always at the end of the question, and can be filled with more than one word or phrase.

Input: Consider Input: Article: America, has always had people of many different nationalities and languages. The 1990 census indicates that almost 14% of Americans speak a non-English language at home. Yet only 3% reported that they spoke English "not well" or "not at all ". That means that slightly more than one out of 10 Americans could be considered _ . Besides that, many high school and college students---and even some elementary school students---are required to take a foreign language. Actually, a growing number of Americans are coming to appreciate the benefits of using different languages. Ethnic enclaves have preserved the language and culture of American immigrants. Some local residents can function quite well in their native language, without having to bother learning English. Regions such as southern Florida and the Southwest have numerous Spanish-speaking neighborhoods. In fact, Spanish speakers---numbering over 17 million---form the largest non-English linguistic group in America. But Chinese, Vietnamese, Italian, Polish and many other ethnic group add to the linguistic flavor of America. Foreign languages are so commonly used in some ethnic neighborhoods that visitors might think they are in another country! Although some Americans welcome this linguistic and cultural diversity, others have begun to fear that the English language is being threatened. Since the 1980s, the "English Only " movement has sought to promote legislation which would establish English as the "official language" and restrict the use of non-English language. However, some groups, including TESOL, the organization for Teachers of English to Speakers of Other language, object to such "language restrictionism". But so far, 19 states have passed "English Only" legislation, and the topic is the focus of an ongoing debate. Whether or not English is the official language of the United States, it remains the "language of wider communication". Nearly everyone recognizes the need to develop the ability in using English in order to do well in America. American also recognize that English is the international language, and people with good English skills can get by in many international settings. On the other hand, in a world growing increasingly smaller, second language skills can be a great favor. They can build cross-cultural bridges and give people an edge in a variety of career field. Indeed, lack of foreign language skill can limit one's chances for advancement and keep one in a cultural dead-end street.
Answer: their native languages are commonly used in their neighborhoods

Output: Ethnic groups have preserved their native languages because _ .

Input: Consider Input: Article: In the past, American families tended to be quite large. Parents raising five or more children were common. Over the years, the size of the family has decreased. One reason for this is an increase in the cost of living. On the average, children attend schools for more years than they used to, making them financially dependent on their families longer. Moreover, children nowadays are better dressed and have more money to spend on entertainment. The parents usually take the responsibility for all the expenses. Meanwhile, families are less close than they used to be. More and more American mothers work away from home. The break up of the family occurs when the parents divorce. A lot of children in the U. S. live part of their young lives with only one parent. Broken families usually result in problems for children and parents alike. Children blame themselves when their parents separate. They grow up feeling unsettled as they are moved back and forth between parents. Usually one parent is responsible for raising the children. These single parents must care for the children's emotional and psychological needs while also supporting them financially. This is very demanding and leaves very little time for the parent's own personal interests. Single parents often marry other single parents. In this type of family, unrelated children are forced to develop brother or sister relationship. The situations of many American families today are not good. However, recent signs indicate that things are getting better. The divorce rate is declining. The rate of childbirth is rising. Perhaps Americans have learned how important families are.
Answer: small

Output: In the past, American families tended to be _ .

Input: Consider Input: Article: Preface to the fourth edition A practical English Grammar is intended for intermediate and post-intermediate students. We hope that more advanced learners and teachers will also find it useful. The book is a comprehensive survey of structures and forms, written in clear modern English and illustrated with numerous examples. Areas of particular difficulty have been given special attention. Differences between conversational usage and strict grammatical forms are shown but the emphasis is on conversational forms. 1. Explanation and examples have been brought up to date. 2. There is now more information on countable and uncountable nouns, attributive and predicative adjectives, adverbs of places, sentence adverbs, cleft sentences, prepositions, conjunctives, modal verbs, perfect tenses, infinitive constructions, the passive, purpose clauses and nouns. In the fourth edition the main changes are as follows. 3. Some material has been rearranged to make comparisons easier. For example, parts of chapters on can, may, must etc. are now grouped by functions; verbs of liking and preference have a chapter to themselves; suggestions and invitations have joined the chapter on commands, requests and advice. 4. The contents list now summaries every edition heading, and there is a new index containing many more entries references. In this edition the sign "~" is frequently used to show a change of speaker in examples of dialogue. Note also that although the sign "="sometimes connects two words or expressions with the same meaning, it is often used more freely, e.g. to indicate a transformation from active to passive or direct to indirect speech. We wish to thank all at Oxford University Press who have assisted in the preparation of the fourth edition. We would also like to thank Professor Egawa of Nihon University, Japan, Professor Rene Dirven of Duisburg University, West Germany and other colleagues for their friendly and helpful suggestions. London, November 1985 A.J.T., A.VM
Answer: a primary school student
Output: The grammar book mentioned in this passage is not suitable for _ .