题目内容
Last night Li Ping watched the football match at home when he ________ his homework.
A. need have done B. must haven done
C. should have done D. could have worked
C
解析:
略
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题目内容
Last night Li Ping watched the football match at home when he ________ his homework.
A. need have done B. must haven done
C. should have done D. could have worked
C
略