(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
(2012·上海高考)The new law states that people ________ drive after drinking alcohol.
A．wouldn't B．needn't
C．won't D．mustn't
