4. The opposite of （impossible）is: A. able to repeat B. able to see C. able to happen ...

2. The opposite of （effective）is: A. not working well B. not looking C. not hearing ...

1. I can’t (concentrate) on what I’m doing while the noise is going on. A. focus B. gather C. rely D. go ...

40. The world’s birth rates are on a decline and ______ are the death rates. A. so B. also C. too D. the same ...

37. I enjoy the concert last night; they played ______ beautiful music. A. such B. such a C. so D. so a ...

33. We are worried about our son because no one is aware ______ he has gone. A. the place B. of where C. about the place D. where ...

31. No sooner ______ he arrived home than he ______ to start on another journey. A. has/was asked B. have/were asked C. had/is asked D. had/was asked ...

30. He said that he dropped his bag when he ______ for the bus. A. was runing B. was running C. were running D. is running ...

27. I ______ swimming in the river and I always _____ to swim when I can. A. am liking/have gone B. am being liked/am going C. like/go D. have liked/have been going ...

25. ______ give him a chance to try? A. Oughtn’t to we B. Oughtn’t we to C. Ought to we not D. Oughtn’t we ...