题干

________ we ________ much longer, we might not even have had the spot on the rooftop.

A:Should; hesitate

B:Was; hesitating

C:Did; hesitate

D:Had; hesitated

上一题 下一题 0.0难度 选择题 更新时间:2017-10-30 06:01:55

答案(点此获取答案解析)

D