The DO's Be aware of cultural differences. For example, some cultures may not display as much excitement as American students typically do. Make your feedback truthful. Be aware of the body gesture customs of the culture of your student. Make accommodations for students to ask for clarification.
Some cultures are reluctant to ask for clarification during class such as the American culture does.
Encourage students to ask questions. Students that are learning a language need more time to process the language. They need time to translate what was said into their language, think of an answer, translate that answer into English, then say it. Be sensitive to patterns of prejudice and conflict. Be aware of the gender and age roles in the countries of your students.