(单选题)18: Yesterday he sold out all his stamps at ____ he thought was a reasonable price. A: that B: which C: what D: as ...

(单选题)14: The chair looks very old， but in fact it is very comfortable to _________. A: sit B: sit on C: be sat D: be sat on ...

(单选题)22: _______ in a recent science competition, the three students were awarded scholarships totaling $21,000. A: Judged the best B: To be judged the best C: Judging the best D: Having judged the best ...

(单选题)23: I heard the girl() in the next room just now. A: sing B: to sing C: sung D: sang ...

(单选题)17: _______ the news of his father's death, he burst into tears. A: After hearing B: On hearing C: While hearing D: Having heard ...

(单选题)18: Do you know your results?No, I don’t know them ____ . A: already B: since C: before D: yet ...

(单选题)12: Did you () her yesterday? A: have met B: meeting C: met D: meet ...

(单选题)6: The exam was not so difficult as we ( ). A: expect B: had expected C: are expecting D: were expecting ...

(单选题)25: By the end of next July this building__________. A: will be finished B: will have finished C: will have been finished D: had been finished ...

(单选题)7: Do you know your results?No, I don’t know them ____ . A: already B: since C: before D: yet ...