18. While taking an exam, the students are __ by two or three teachers. A. looked at

B.　　　 looked for　 C. kept watch　 D. watched over

17. I’m afraid carrying out interviews will __ too much time.　

A. take up　 B. turn up　 C. clean up　 D. break up

16. Why not __ pictures to make the book interesting?　

A. take out　 B. bring out　 C. hand in　 D. bring in

15. If you’d like to go for a swim with me, I’ll ___ you after an early supper.　

A. call on　 B. call in　 C. call for　 D. call at

14. I could tell the story much more easily if you didn’t __ so often.　 A. break in　 B. break out　 C. break into 　D. break away

13.　 It’s nice to have some money __ for old age.

A.　　 taken down　 B. kept up　 C. given away　 D. laid up

12.　 How long have you __ the army? A. joined in　 B. taken part in　 C. attended　 D. served in

11.　 He is too young to ___ right from wrong.　 A. speak　 B. talk　 c. say　 D. tell

10.　 Let’s cut the apple __ and share it.　 A. into half　 B. by half　 C. in half　 D. in halves

9.　　　 Jack and Tom passed ___ without noticing me.　 A. away　 B. off　 C. by　 D. on