35. — Have you finished your essay?— Half when you come back.A. has been doneB. will have

问题补充：

35. — Have you finished your essay?

— Half when you come back.

A. has been done

B. will have been done

C. had been done

D. is done

答案：

A. has been done

(答案→)B. will have been done

C. had been done

D. is done

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