一How did you do on the test?
一Not so well. I ________ much better but I misread the directions for Part One.
A.could doB.could have done
C.must have doneD.should do
B

試題分析:考查情態(tài)動詞用法。“情態(tài)動詞+動詞原形”表示對現(xiàn)在情況的推測;“情態(tài)動詞+have done”表示對過去的推測或者虛擬,本題是對過去的推測,故使用“情態(tài)動詞+have done”。Could have done much better本可以做得更好。句意:—你在考試中表現(xiàn)怎么樣?—不是很好,我本可以做得更好,但我看錯了第一部分的要求。故B正確。
考點:考查情態(tài)動詞用法
點評:特別注意“情態(tài)動詞+動詞原形”表示對現(xiàn)在情況的推測;“情態(tài)動詞+have done”表示對過去的推測或者虛擬。
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