40.He stopped Mira to his office.
A. from having come B. to cone C. for coming D. from coming (D)
41.In winter we go the hill.
A. skiing B. to ski C. ski D. for ski (A)
43.They are busy .
A. to do this B. doing this C. to this D. did this (B)
44.She had a hard time mathematics.
A. to study B. studies C. studing D. study (C)
45.He is now accustomed to early.
A. works B. working C. work D. worked (B)
46. The man tries to avoid his manager.
A. to meet B. meet C. to be meeting D. meeting (D)
47.The engineer demanded that Smith with him.
A. go B. must to C. went D. will go (A)
48.The plants have stopped .
A. to grow B. to be growing C. for growing D. growing (D)
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