input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Overhead bridges are found in many parts of Nanjing, especially in places where traffic is very heavy and crossing the road is very dangerous. The purpose of these bridges is to enable passengers to cross road safely. Overhead bridges are used in very much the same way as zebra crossings. They are more efficient although less convenient because people have to climb up a long flight of steps. This is inconvenient especially to old people. When passengers using _ , traffic is held up. This is why the government has built many overhead bridges to help passengers and to keep traffic moving at the same time. The government of Nanjing has spent much money in building these bridges. For their own safety, passengers should be encouraged to use. They can't risk their lives by running across the road. Old people may think that it is a little difficult to climb up and down the steps, but it is much safer than walking across the road with all the dangerous of moving traffic. Overhead bridges serve a very useful purpose. Passengers, both old and young, should make it a habit to use them. This will prevent unnecessary accidents and loss of life. Options: A Because they stop traffic from being held up. B Because they provide an easy way for the drivers to cross the road. C Because they save money for the government. D Because they save time for the passengers. Answer: B Because they provide an easy way for the drivers to cross the road. Question:???
output answer: Why were overhead bridges built in Nanjing?

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Suzhou is an old city with a long history. The city is very clean and has fresh air. There are a lot of nice gardens in Suzhou and Suzhou gardens are famous in the world. When you enjoy the beauty in the gardens, you will feel very peaceful and happy. Besides (......) the gardens, Suzhou silk is also very famous. On the streets, you can see many silk shops. You should buy some beautiful silk scarves because they are really beautiful. Suzhou food is so sweet and some people may not like it. But you can have different kinds of foods here. Suzhou is close to Shanghai. It takes about only one hour from Suzhou to Shanghai by bus. The traffic is very convenient here. Welcome to Suzhou! You will have a good time here. Options: A silk and streets B gardens and silk C silk and food D streets and gardens Answer: B gardens and silk Question:???
output answer: Suzhou is famous for its _ in the world.

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: We can see waste everywhere in the school. Some students ask for more food than they can eat and others often forget to turn off the lights when they leave the classroom. They say they can afford these things. But I don't agree with them. Waste can bring a lot of problems. Although China is rich in some resources , we are short of others, for example, fresh water. It is reported that we will have no coal or oil to use in 100 years. So if we go on wasting our resources, what can we use in the future and where can we move? Think about it. I think we should say no to the students who waste things every day. Everybody should stop wasting as soon as possible. In our everyday life, we can do many things to prevent waste from happening, for example, turn off the water taps when we finish washing, turn off the lights when we leave the classroom, try not to order more food than we need and so on. Little by little, we will change everything. We can stop waste one day, if we do our best. Options: A Waste brings problems. B Waste can bring no problem. C China is rich in fresh water. D Students never waste things. Answer: A Waste brings problems. Question:???
output answer: Which of the following is right?

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Visit the Forest Zoo. Come and see the Indian elephants and the new tigers from Northeast of China. The beautiful birds from England are ready to sing songs for you, and the monkeys from Mount Emei will be happy to talk to you. The lovely dogs from Australia want to laugh at you. Sichuan pandas will play balls for you. The giraffes from Africa are waiting to look down on you. Tickets Opening time Grown-ups: Y=3 9:00a.m.--4:00p.m. Children: Over 1.4m: Y=2 except Friday Under 1.4m: Free 10:00a.m.--3:00p.m. Keep the zoo clean! Do not touch, give food or go near to the animals. Options: A Because the writer wants to frighten us in the zoo. B Because the writer wants to make us lovely in the zoo. C Because the writer wants to attract us to the zoo. D Because the writer wants to show us that animals can do everything. Answer: C Because the writer wants to attract us to the zoo. Question:???
output answer:
Why does the writer introduce so many animals from different places to us?