(单选题)15: Only when the plan failed ____ his mistakes. A: did he realize B: does he realize C: he realized D: he realizes ...

(单选题)9: You’ll have to pay for the holiday in ______， Tom. A: front B: advance C: ahead D: forward ...

(单选题)3: Sports, ______ perhaps you don’t like very much, may make you strong. A: that B: it C: which D: what ...

(单选题)17: If I ______ there tomorrow, I would see you. A: will go B: go C: should go D: can go ...

(单选题)11: The company ________ on the highest standards for its supplies. A: insists B: persists C: sticks D: strikes ...

(单选题)5: If they are determined to strike, they will do so ______ what the law says. A: regardless of B: instead of C: in light of D: in face of ...

(单选题)19: I asked him _______ . A: where was the supermarket B: where to the supermarket C: where the supermarket was D: where to get to the supermarket ...

(单选题)13: ― I hope I am not interrupting your work. ― ________________. A: Oh, that’s all right. B: O.K. Let’s start again. C: Please go on with your work. D: It’s hard to say. ...

(单选题)7: ______ it is very late now, the students are still working in the lab. A: As B: When C: If D: Although ...

(单选题)1: Both teams were in hard training; _____ was willing to lose the game. A: either B: neither C: another D: the other ...