—You were driving at 100 km an hour, sir.
—But officer, I ________. My car can’t go more than 80.
A．may not have to B．couldn’t have been
C．wouldn’t like to D．needn’t to be
B
考查情態(tài)動詞的用法;couldn’t have done過去不可能做…,句意是：--你剛剛開車一小時100公里。--但，長官，我剛剛不可能是這個速度，我的車速不超過80.選B。
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