(2013·四川高考)—Why are your eyes so red? You ________ have slept well last night.

—Yeah, I stayed up late writing a report.

A．can't                           B．mustn't

C．needn't                         D．won't

(2013·辽宁高考)Harry is feeling uncomfortable.He ________ too much at the party last night.

A．could drink                     B．should drink

C．would have drunk               D．must have drunk

(2012·江苏高考)Days later, my brother called to say he was all right, but ________ say where he was.

A．mustn't                          B．shouldn't

C．wouldn't                         D．mightn't

(2013·新课标全国卷Ⅰ)The door ________ open, no matter how hard she pushed.

A．shouldn't                      B．couldn't

C．wouldn't                         D．mightn't

(2011·福建高考)—Shall I inform him of the change of the schedule right now?

—I am afraid you ________， in case he comes late for the meeting.

A．will                              B．must

C．may                            D．can

(2012·全国卷Ⅰ)I ________ use a clock to wake me up because at six o'clock each morning the train comes by my house.

A．couldn't                          B．mustn't

C．shouldn't                         D．needn't

(2009·全国卷Ⅰ)What do you mean, there are only ten tickets？There________be twelve.

A．should                           B．would

C．will                              D．shall

(2010·四川高考)—________ I take the book out?

—I'm afraid not.

A．Will                             B．May

C．Must                            D．Need

(2010·辽宁高考)Doctors say that exercise is important for health, but it ________ be regular exercise.

A．can                              B．will

C．must                             D．may

(2012·辽宁高考)One of our rules is that every student ________ wear school uniform while at school.

A．might                            B．could

C．shall                             D．will