相关试题
—Have you cleaned the room yet？
—Yes，I _______it an hour ago.
A.clean B.has cleand C.cleaned
B. 
C.
— When did you close friend go________?
—At the age of forty,after a fever,he couldn’t hear anything..
A.blind B.deaf C.mad
—We should learn to avoid______the same mistake in each exam.
— I agree with you compeletaly.
A.to make B.making C.made
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