16. The stranger talked to us_____he were our familiar friend,but we know he was just pretending to he.

　　A. as though B. even though C. as that D. even if

　　17. He signed the papers______I could stop him.

　　A. when B. unless C. before D. until

　　18.______you want to buy a car, you must______your living expenses in order to

　　save enough money.

　　A.Now that,cut down B. Now that,cut off

　　C. Since,cut up D. Since,cut away

　　19. No matter how frequently______，the works of Beethoven always attract large

　　audience.

　　A. performing B. performed C. to be performed D. being performed

　　20. I have just come in to see if I can be ______any assistance to them.

　　A. with B. on C. at D. of

　　21. Since the death of her mother,she has been all day crying at home______.

　　A. strongly B. deeply C. heavily B. bitterly

　　22. He is all right_____he is left to do the job in his own way.

　　A. for fear B. so long as C. in case D. meanwhile

　　23. And finally，when night at last came, the street______and only the rubbish

　　_______sadly blowing in the cooling night wind.

　　A. emptied, remained B.silenced,left

　　C. calmed, lay D.changed,piled

　　24.When he reads books,his habit is to make a mark_____the meaning is unclear to him.

　　A. there B.wherever C. the place D. in which

　　25.If you are_____about Australian cities, just read the look written by Dr Johnson.

　　A. interested B. anxious C. upset D.curious

　　26. Jack stood there staring and he appeared_____what I said.

　　A. that he didn't understand B.not to have understood

　　C. that he had not understood D. not having understood

　　27. It's time we______some steps to prevent pollution.

　　A. will take B. shall take C. take D. took

　　28. It was at the very beginning______Mr Fox made the decision_____we send more firefighters here.

　　A. when,which B. when, that

　　C. then,so D. that, that

　　29. I knocked at the door for two minutes______he came to open it.

　　A. when B. before C. until D.as

　　30.Does it make any______to quarrel about where to hold the sports meeting?

　　A. meaning B.opinion C.sense D. advice