—Has Sam finished his homework today?
—I have no idea. He it this morning.
A. did
B. has done
C. was doing
D. had done
—Has Sam finished his homework today?—I have no idea. He it this morning. A. didB. has do
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解决时间 2021-04-11 09:22
- 提问者网友：山高云阔
- 2021-04-10 17:35
最佳答案
- 五星知识达人网友：独钓一江月
- 2021-04-10 19:12
A. didB. has done(答案→)C. was doingD. had done解析：考查时态题。题意为“他今天上午在做作业，但是我不知道他现在是否做完了”，用过去进行时强调过去某时正在做某事，另外，过去进行时，还表示动作的未完成性。故最佳答案为C。
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- 1楼网友：有你哪都是故乡
- 2021-04-10 19:51
这个问题的回答的对
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