Completing all the homework by the dinner, John felt very tired. He __________all day long. A. was ...
2023-01-03 05:25:49 41次 黑龙江省09-10学年高一下学期期中考试试卷（英语） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Completing all the homework by the
dinner, John felt very tired. He __________all day long.
A. was
studying B.
studies C. has
studied D. had been studying
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