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It’s time _____ class. You must _____ the classroom.
A.to; to goB.for; go toC.to; to goD.for; to go
B

试题分析:句意:该上课了。你必须去教室。It’s time for sth是干某事的时候了; must必须,为情态动词后接动词的原形。故选B
点评:It's time to do sth句型也是常考点,it作为形式主语,不定式是真正的主语,这是固定句型,初一的学生要进行记忆背诵。must理解为必须,由这个词所开头的问句,肯定回答用Yes,you must.否定回答用No,you needn’t或者是No,you don’t have to.注意不用mustn’t。
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