I suppose by the time I come back in ten years' time all these old housesdown.A. will be p

问题补充：

I suppose by the time I come back in ten years time all these old housesdown.

A. will be pulling

B. will have been pulled

C. will have pulled

D. will be pulled

答案：

A. will be pulling

(答案→)B. will have been pulled

C. will have pulled

D. will be pulled

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