题目内容
The sportsmen__________ training for three hours when the coach comes to ask them to break off for rest and supper.?A. had been?
B. have been?
C. are?
D. were?
答案:B
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题目内容
The sportsmen__________ training for three hours when the coach comes to ask them to break off for rest and supper.?A. had been?
B. have been?
C. are?
D. were?