I have a lot of homework today.I won’t go out until done.A. it isB. it hasC. it will beD.

问题补充：

I have a lot of homework today.I won’t go out until done.

A. it is

B. it has

C. it will be

D. it has been

答案：

(答案→)A. it is

B. it has

C. it will be

D. it has been

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