【題目】Sorry, I'm late. I________have turned off the alarm clock and gone back to sleep again.

A．should

B．might

C．can

D．will

【答案】B

【解析】I'm late.暗示說話者可能是關(guān)掉鬧鐘又睡著了，故應(yīng)用might have done sth.表示“過去可能做過某事”。

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