The teaching building in the big earthquake was our chemistry lab.A. being destroyedB. des

问题补充：

The teaching building in the big earthquake was our chemistry lab.

A. being destroyed

B. destroying

C. to be destroyed

D. destroyed

答案：

A. being destroyed

B. destroying

C. to be destroyed

(答案→)D. destroyed

解析：考查非谓语动词。The teaching building是主语，was our chemistry lab是谓语，The teaching building和destroy之间是动宾关系，而且是已经被毁，所以用destroyed表被动和完成。