19.??He knows the rule but does not know how to _______ it. A. control B. direct C. apply D. run ...

14.??—Mary doesn’t seem to be what she was. —No._____so much in the war has made her more thoughtful. A. Seen. B. Her seeing. C. Having seen. D. To have seen. ...

9.??_____you are alone with Jane, tell her that you love her. A. While. B. As. C. After. D. How. ...

4.??If he were here, we _____ ask him. A. will B. can C. could D. do ...

21. The murder happened in an old building, beside_____the city police station. A. which are. B. it is. C. which is. D. them are. ...

16. I thought that he disliked playing tennis, _____? A. didn’t he. B. did he. C. did I. D. didn’t I. ...

11. _____I forget, please remind me about it. A. In case. B. So that. C. In order that. D. When. A ...

1. Scientists are convinced_____the positive effect of laughter_____physical and mental health. A. of, at. B. by, in. C. of, on. D. on, at. ...

10. The bearded Indian frowned over the ______calculations on the back of an envelope. A. fine B. puzzling C. puzzled D. perplexed ...

3. The material ______ the apparatus was made is a good nonconductor of heat. A. that B. in which C. of which D. of that ...