3. You can by things in the shop during ________.

　A. business time　 　B. business hour

　C. business hours　D. business times

2. I’ve never seen a cup ________ three legs.

　A. in　B. with　C. has　D. about

1. They were all invented ________ years ago.

　A. hundreds　B. hundred of　C. hundred　D. hundreds of

12. Please come back as soon as possible.

　A. at once　　　B. as early as you can

　C. in a minute　　D. as late as possible

11. She said she would remember what he said.

　A. refuse　B. answer　C. keep in mind　D. think about

10. The students have got ready for the sports meeting.

　A. done　B. prepared　C. listened　D. showed

9. The children had a wonderful time at their uncle’s yesterday.

　A. long　B. short　C. great　D. worst

8. I never discovered how to start the machine.

　A. found　B. thought　C. knew　D. guessed

7. The students have rather a lot of homework to do every day.

　A. quite　B. very　C. much　D. plenty

6. Why not go and have a look at the dinosaurs?

　A. take a look　B. look up　C. look for　D. see