6. Rice is grown in South China _____ them.

　 A. by　 　　　B. in　　　　　　　 C. with　　　　　 D. for

5. Who can help me _____ my lesson?

　 A. in　　　　 B. at　　　　　　　 C. with　　　　　 D. of

4. I think the _____ invention is a mobile phone. What about you?

　 A. helpful　　 B. more helpful　　 C. helpfulest　　　 D. most helpful

3. Can you tell me _____ the train was invented?

　 A. what　　　 B. who　　　　　　 C. when　　　　 D. which

2. Was a car invented _____ March 4, 1876?

　 A. on　　　　 B. in　　　　　　 C. at　　　　　　 D. of

1. What is a telephone used _____, class?

　 A. to　　　　　 B. in　　　　　　 C. for　　　　　 　　D. about

10. Jack ______ leave _____ his teacher comes back.

　A. doesn’t, until　 　B. /, until　 　C. won’t, /　 　D. won’t, until

Unit10

9. When ______ the car ________?

　A. did, invent　 　B. was, invented　 C. does, invent　D. in, invented

8. It’s used for _____ clearly in the dark.

　A. seeing　 　B. see　 　C. looking 　　D. look

7. They decided _______ at the end of this month.

　A. to leave　 　B. going back　 　C. travel　　D. not stat out