17. Losing weight is no easy task. A lot of people who lost weight gain it back over time and end up back ______ they started.

A. where 　　 B. though　　 　　 C. since　 　　　 D. after

16. -You shouldn’t have played such a joke on him.

-Sorry. I ______ that he would get so angry.

A. didn’t expect　　 　　　　　　　 B. don’t expect

C. hadn’t expected　　　　 　　　 D. hasn’t expected

15. We should have the students who are quick at learning ______ in a different way.

A. to train　　 　B. training　　 　C. trained　　 　D. train

14. My father will leave for Beijing on December 25, ______ happens to be Christmas Day.

A. when　　　 B. which　　　 C. that　　 D. then

13. Don’t worry! It will be several weeks ______ you fully recover from the operation.

A. after　　 　B. before　　 　C. if　　 　D. until

12. More undersea resources should be made use of ______ the ______ need of energy.

A. meeting; increasing　　　　 B. to meet; increased

C. meeting; increased　　　　　 D. to meet; increasing

11. The driver as well as the two children who ______injured in the accidents ______ out of danger now.

A. were; is　　 B. were; are　　 C. was; is　　 D. was; are

10. It was not a serious illness, and she soon 　　　　it.

A. got over　　　 B. got on with　　　 C. got around　　　 D. got out of

9. -Can I help you, sir?

-Yes. I bought this radio here yesterday, but it　.

A. didn't work　　　　　　　 B. won't work

C. can't work　　　　　　　　 D. doesn't work

8. 　　　I know the money is safe, I shall not worry about it.

A. Even though　　　 　 B. Unless　　 　　 C. As long as 　 D. While