问题

Look at the sign! It says “No Smoking!” You ________smoke here. It’s dangerous.

A: mustn’t
B:ought not to
C:needn’t
D:don’t have to

正确答案是：

同类题型

Every day, My father does the________.[ ]

Not until the press reported the pollution _________ why the water supply had been cut off.

Chinese Premier Wen put great pressure on the Japanese side, otherwise the boat captain ___________． — As the saying goes, he who hasn’t seen the coffin （棺材） won’t cry．

_________, I can make it home by 8:30 when thefootball game will be on TV. — Well, it depends on how efficientlyyou work.

Mum, myteacher, Mr Wang.