- Has Jack finished his homework yet? - I have no idea,he it this morning. A. was doing B. had been doing C. has done D. did 查看更多

 

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— Has Jack finished his homework yet?

— I have no idea;he _____ it this morning.

A. was doing      B. had been doing     C. has done      D. did

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— Has Jack finished his homework yet?
— I have no idea;he _____ it this morning.

A.was doingB.had been doingC.has doneD.did

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.—— Has Jack finished his homework yet?

—— I have no idea; he ___it this morning.

A.was doing     B.had been doing  C.has done     D.did

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— Has Jack finished his homework yet?

   — I have no idea;he __it this morning.

A. was doing    B. had been doing    C. has done      D. did

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— Has Jack finished his homework yet?

— I have no ideahe __it this morning.

A. was doing    B. had been doing    C. has done      D. did

 

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