(2013·山西高三诊断)Honey, you ________ alcohol for they have stopped drinking.
A．may not have bought B．mustn't have bought
C．can't have bought D．needn't have bought
(2013·河北普通高中高三质量预测)—What courses are you going to learn next term?
—I don't know.But it's about time ________ on something.
A．I'd decide B．I decided
C．I decide D．I'm deciding
(2013·辽宁五校第一联合体高三考试)The little child ________ go out alone at night, so he ________ walk in the dark that night.
A．doesn't dare to; dared not to
B．daren't to; didn't dare to
C．daren't; dared not
D．doesn't dare to; dare not
(2013·开封高三第一次模考)—Did Ann fail in English?
—She ________.Don't you notice that she looks depressed?
A．might B．must
C．may have D．could have
(2013·哈尔滨四校高三统一检测)Look! There are so many mistakes in your composition. You ________ have fixed full attention on it.
A．can B．should
C．need D．might
(2013·吉林长春三校高三调研)Days later, I tried to get my sister to tell me what was going on, but she ________ say anything.
A．mustn't B．shouldn't
C．wouldn't D．mightn't
