16. He by his sister at that moment.(A)happened to see (B)was happeded to see(C)was happened to be s
17. We consider the machine should be adjusted each time it is used.(A)that it necessary (B)necessar
13.If he had been in better health, he ________ more books.(A)can write (B)could have written(C)coul
19. He made another wonderful discovery, of great importance to science.(A)which I think is (B)which
14.With the development of industry, this region will surely ________.(A)develop (B)profit (C)succee
21. She heard a continual strange noise coming from the next room, her heart fast.(A)beat (B)beats (
22. ---You should have thanked he before you left.---I meant ,but when I was leaving I couldn’t find
26. I like watching TV to the cinema.(A)more than to go (B)than going (C)more than going (D)rather t
15.I’m going to spend the winter vacation in Shanghai, ________ I have relatives.(A)which(B)neverthe
28. ---“Have you finished reading the novel?”---“Not yet. I’m afraid I need couple of days to finish
29. I’d like to see him in my office he arrives.(A)for the moment (B)the moment (C)in a moment (D)at
31.Tom’s bedroom was in a , for books and papers were here and there.(A)litter (B)disorder (C)rubbis
17.If ________ to speak, he has no problem expressing himself.(A)asked (B)asking (C)ask (D)to be ask
18.Mum is getting old, so her memory is not very ________ these days.(A)true (B)forgettable (C)relia
35. It was in the factory you worked five years ago you learned the technique.(A)that; where (B)wher
36. We must get there before 7 o’clock. That’s we have to start so early.(A)the reason that (B)the r