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—What did you do last night??
—I______________my homework but nothing else. ?
A．didB．was doingC．has doneD．had done?
B
主要測試動詞時態(tài)。有些考生看到上文提及的時間狀語last night，馬上想到用過去時，于是誤選A。其實，從后面的信息"but nothing else"可以看出，回話者強調昨晚一直在做作業(yè)，于是正確答案選B。過去時表示過去已經(jīng)做了的事情，常與過去時間狀語連用，暗含完成；過去進行時也可與過去時間狀語連用，但是強調在過去某時間內一直在做某事，沒有做別的事，但不一定完成。如：
I read the story last night. 我昨晚看了這個故事。?
I was reading the story last night. 我昨晚一直在看這個故事。?
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