问题
ere abroad during the months when we were carrying out the investigation, or they _____ toour help.
A:would have come
B:could come
C:have come
D:had come;
B:could come
C:have come
D:had come;
正确答案是：
同类题型
Raising environmental awareness wasthe aim of our art exhibition ____ last week
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was younger, I’d often go for ________ drivewith some friends, purely for ________ enjoyment of it.
It was almost midnight when a fire _____ in the neighborhood.