摘要： --- 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
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— 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
查看习题详情和答案>>—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
查看习题详情和答案>>—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
查看习题详情和答案>>
— Has Sam finished his homework today?
— I have no idea. He ________ it this morning.
|
A．did |
B．was doing |
C．has done |
D．had done |
查看习题详情和答案>>