It is reported that many a new houseat present in the disater area.A. are being builtB. we

问题补充：

It is reported that many a new houseat present in the disater area.

A. are being built

B. were being built

C. was being built

D. is being built

答案：

A. are being built

B. were being built

C. was being built

(答案→)D. is being built

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