--________ can you finish your homework?
--In about an hour.
A. How long B. How soon C. How often
We didn’t go out to play __________ we finished our homework.
A. until B. when C. because
—Which do you want, ice-cream or hamburger?
—________. They are both bad for my health.
A. .Both B. Neither C. None
It took_______ people three months to build this great bridge.
A. two hundreds B. hundred of C. hundreds of
1.A________ is my favorite season.
2.Could you give me some a________ on how to learn math well?
3.He became a writer after graduating(毕业) from the c________.
4.Pandas are i_________ danger. We should take care of them.
5.She is writing something on a piece of p_________.
根据你所听到的短文内容，选择正确答案。
1.Where did Sam go on vacation?
A. The beach. B. The countryside C. The town.
2.How was the weather there?.
A. Sunny and warm. B. Sunny but cold. C. Warm and windy.
3.Who did they meet?.
A. Someactors. B. Some farmers. C. Some engineers.
4.What do the farmers hope to have in the future?
A. Cars. B. Computers. C. Robots.
5.How long did they stay there?.
A. For two weeks. B. For two days. C. For two months.
