问题

The girl had been suffering from the lung cancer, yet she acted as if nothing__________ to her while we were together.
A:happened
B:would happen
C:has happened
D:had happened
B:would happen
C:has happened
D:had happened
正确答案是:
同类题型
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________ I admit that there are problems, Idon’t agree that they can’t be solved.
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