问题补充:
.—Where did you go last weekend?
—ChenDu, we got to the station almost half an hour earlier than the bus.
—So you in such hurry.
A. needn’t have been
B. couldn’t have been
C. shouldn’t have been
D. mustn’t have been
答案:
(答案→)A. needn’t have been
B. couldn’t have been
C. shouldn’t have been
D. mustn’t have been
解析:可联系答.案.网客服索取。