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You ________ touch the chemical, or you ________ get burnt.
A.can’t; will B.mustn’t; will
C.may not; wouldD.shouldn’t; should
B

试题分析:句意:你千万不要动这个化学药品,要不然的话你会烧伤的。can’t 不可能;may not 也许不;shouldn’t 不应该;mustn’t表示禁止,or后用将来时,相当于如果你动了化学药品的话,你就会被烧伤,故选B。
点评:本题难度适中。情态动词是高中阶段的重难点之一,不仅要求熟记它们的意义还要掌握它们的用法及区别。考生需要根据不同的语言环境作出正确的判断。
即学即练:When he was there, he _______ go to that coffee shop at the corner after work every day.
A. would            B. should           C. had better        D. might
解析:A。would 表示过去的习惯。
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