Traveling by subway ______ sometimes be quite an adventure, especially during the rush hour.
A.must B.can C.shall D.should
Her companion_____ a trick on her, for she was not in the mood for everything that day.
A.can’t have played B.must have played
C.should have played D.needn’t have played
You _____ be right but I’m going back to check anyway.
A.should B.must C.need D.might
—What about seeing the new movie at the theatre tonight?
—Sounds great, but I ____ work extra hours to finish a report.
A.have got to B.am able to
C.am glad to D.am willing to
If we had paid enough attention to the issue of the heavily-overloaded vehicles, the tragedy of the collapse of an overpass in Wuxi _____ avoided.
A.should B.could be C.should have been D.could have been
The traffic is heavy today. I ____ arrive a bit late, so could you save me a place?
A.can B.must C.dare D.might