16.(　 ) She didn’t come to school______ the rain yesterday.

　　　 A. because　　 B. as　　 C. since　　 D. because of

15.(　 ) _____ the dog. It may bite you.

　　　 A. Don’t frightening B. Don’t frighten　 C. To frighten　 D. Don’t frightened

14.(　 ) It’s very important for us_________.

　　　 A. to careful　　 B. to careless　　 C. careful　 D. to be careful

13.(　 ) Miss Green______ home for supper now.

　　　 A. needs go　　 B. need goes　　 C. need go　　 D. need to go

12.(　 ) The baby girl______ 4.5 kg at birth so people call her Jiujin girl.

　　　 A. weigh　　 B. weight　　 C. weighs　　 D. weights

11.(　 ) Must they go to bed at 9:00 p.m?　 No, they_______.

　　　 A. mustn’t　　 B. needn’t　　 C. don’t have to　 D. B and C

10.(　 ) Please_____ the pets on the table.

　　　 A. not to feed　 B. don’t feed　　 C. not feed　 　D. not feeding

9.(　 ) You don’t_______ take it for a walk every morning.

　　　 A. can　　 B. have to　　 C. may　　 D. must

8.(　 ) The quiet girl never talks in class, ________?

　　　 A. is she 　　B. isn’t she　　 C. does she　　 D. doesn’t she

7.(　 ) Help yourselves to some fish, boys!_________.

　　　 A. Thanks a lot　 B. That’s all right　　 C. No, we won’t　 D. Yes, please.