摘要： Sorry, I’m late. l have turned off the alarm clock and gone back to sleep again. A. might B. should C. can D. will 答:A.B项 should have done表示本该做但事实上未做的事.若实际上没关掉 a-lama clock, 就不会造成 l’m late.因此.B项与题意不符.

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