1 . —The terrible accident is under investigation.
—Actually, quicker action _________ those workers trapped in the mine.

A．might have saved

B．must have saved

C．should have saved

D．could have saved

2 . —I saw your uncle take a taxi to the airport. Why didn’t you drive him there?
—I __________. But my car ___________ .

A．would; was fixed	B．would have; was fixed
C．would have; was being fixed	D．did; was being fixed

3 . It rained a lot during their journey, so they________have had a good time.

A．can’t

B．must

C．shouldn’t

D．might