(单选题)35: After Billy proved that he could ride a bicycle safely, his father ___ to him and bought him one. A: give off B: give in C: give out D: give back ...

(单选题)15: I was quite taken ____ by his attitude. I never expected he would disappoint his parents by doing such a thing. A: back B: aback C: after D: apart ...

(单选题)9: In discussing environmental pollution we ought to keep ____ the point of concern. A: to B: at C: on D: off ...

(单选题)35: He was a good worker who was ________ to his family as well as to his work. A: consistent B: committed C: content D: engaged ...

(单选题)23: The historical and cultural background to the play has been very carefully and thoroughly ___. A: searched B: researched C: sourced D: reserved ...

(单选题)13: They have decided to ____________ another telephone line in their house. A: fit up B: fit in C: fit D: install ...

(单选题)1: ______ you eat the correct foods ______ be able to keep fit and stay healthy. A: Only if; will you B: Only if; you will C: Unless; will you D: Unless;you will ...

(单选题)33: The reason for his being late is _____ he didn’t catch the early bus. A: why B: because C: that D: where ...

(单选题)37: After Jackson ______ for an hour, he came to the conclusion that Mrs. Bonnie was not coming. A: waited B: was waiting C: has waited D: had been waiting ...

(单选题)7: A ____________ of stones fell on the police who were trying to hold people back. A: fit B: pile C: crowd D: rain ...