题目内容
______ his homework, he went on to preview the next lesson.
A. Doing B. To do C. done D. Having done
D

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-He asked Tom, “Have you finished your homework?”
-He asked Tom .
A.if had he finished his homework. |
B.whether he had finished his homework |
C.if he had finished your homework. |
D.if you had finished your homework. |