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课后测试8
这课核心句型：
他那时肯定...
He must have been...
他那时不可能...
He can't have been...
Its so hot today. Youd better _____wear your coat.
He is driving____ 80 miles per hour.
She sings so well.I think she must ____ been a singer.
He doesnt come to school today.He must ____ ill.
填空
