1¡¢I love the weekend, because I ________ get up early on Saturdays and Sundays.

A. needn’t         B. mustn’t         C. wouldn’t        D. shouldn’t

2¡¢My room is a mess, but I ___________ clean it before I go out tonight. I can do it in the morning.

A.daren't       B.shouldn't                        C.needn't       D.mustn't

3¡¢Passengers ________ talk to the driver while the bus is moving, because it will take his focus off the road.

A. would not        B. must not         C. may not          D. need not

4¡¢Some aspects of a pilot's job              be boring, and pilots often________work at inconvenient hours.

A.can ; have to        B.may ; can      C.have to; may        D.ought to; must