题目内容

I _______ to help you but I was not able to spare any time.I _______ a paper last night and I'll have to finish it today.?
A．wanted; have been writingB．have wanted;wrote?
C．had wanted; wroteD．had wanted;was writing?
D　
考查动词的时态。第一空表“本想干某事但却未干成”,应用过去完成时。第二空指过去某时正在进行的动作。
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