Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Millions of stars are travelling about in space. A few form groups which travel together, but most of them travel alone. And they travel through a universe which is so large that one star seldom comes near to another. For the most important part each star makes its journey in complete loneliness, like a ship on an empty ocean. The ship will be well over a million miles from its nearest neighbour. From this it is easy to understand why a star seldom finds another anywhere near it. We believe, however, that some two thousand million years ago, another star wandering through space, happened to come near our sun just as the sun and the moon raised its tides on the earth, so this star must have raised tides on the surface of the sun. But they were very different from the small tides that are raised in our oceans; A large tidal wave must have travelled over the surface of the sun, at last forming a mountain so high that we cannot imagine it. As the cause of the disturbance came nearer, so the mountain rose higher and higher. And before the star began to move away again, its tidal pull had become so powerful that this mountain was torn to pieces and thrown off small parts of itself into space. These small pieces have been going round the sun ever since. They are the planets. Options: A the star moved away from the sun B another star happened to come near the sun C the sun and the moon raised the tides on the earth D a large tidal of wave travelled over the surface of the sun Answer: B another star happened to come near the sun Question:
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The answer is:
Some two thousand years ago, the mountain on the sun was raised probably because _ .

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: Do you know Xishuangbana? It's a very beautiful place. It lies in Yunnan. The Dai people live there. Their homes are wonderful. The houses are very big and have long legs to hold them up. Sometimes those legs are over two metres tall. It can be very hot in Yunnan. But the Dai people do not need air conditioners to keep cool. Their houses usually have two floors. One half of the second floor is the living room. The living room has a balcony. The other half of the second floor is their bedroom. There is a long corridor between the living room and the bedroom. You must always take off your shoes before you go into a Dai family's house. They like to keep their houses clean. The bed is made of bamboo . The family's tables, chairs and cupboards are all made of bamboo too. It often rains in Yunnan. Pigs and chickens live on the first floor, because it is a good place to stay _ . Options: A Xishuangbanna is a beautiful place. B The Dai family's houses are usually very clean. C It's easy for the Dai people to get bamboo. D The Dai people's houses are two metres tall. Answer: D The Dai people's houses are two metres tall. Question:
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The answer is:
Which of the following is NOT true?

Problem: Given the question: Write a multi-choice question for the following article, with the given choices and answer: Article: The air here is fresh. There are not many tall buildings in our town. The best building is in our school. There are four hundred students and twenty-five teachers in our school. In the front of the school, there is a playground. I often play basketball with my classmates on it. There is a little garden behind our school. And we can grow beautiful flowers and plant trees in the garden. Next the garden, there is an orange orchard . You can hear birds singing everywhere. There is a river not far from our school. In summer, we usually go swimming in it. Options: A play basketball B plant trees C grow flowers D go swimming Answer: D go swimming Question:
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The answer is:
The students often _ in summer.