Last night Li Ping watched the football match at home when he ________ his homework. A. need have do...
2023-01-18 06:55:00 39次 2010-2011学年浙江省高一上学期10月月考英语卷 单项填空 反馈错误 加入收藏 正确率 : 100%
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
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