______________ （要不是她昨天忙于工作），she would have come to see you.
A. If she hadn't been busy doing her work yesterday
B. If she was not busy doing her work yesterday
C. If she hasn't been busy doing her work yesterday
D. If she is not busy doing her work yesterday
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It is surprising that ________（她竟然拒绝帮助我们）.
A. she refuse to help us
B. she refuses to help us
C. she refused to help us
D. she will refuse to help us
________（他是否会来）is unknown.
A. Whether he will come
B. Whether will he come
C. Whether does he come
D. Whether he comes
I don't mind_______（你迟做决定）as long as it is not too late.
A. your delaying to make the decision
B. your delaying making the decision
C. your delaying make the decision
D. you delaying to making the decision
By the end of that year, Henry_______（已收集了一千多张外国邮票）.
A. will have collected more than a thousand foreign stamps
B. has collected more than a thousand foreign stamps
C. had collected more than a thousand foreign stamps
D. collected more than a thousand foreign stamps
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