.We were about to go downstairs when the lights.A. turned offB. went offC. gave outD. wore

问题补充：

.We were about to go downstairs when the lights.

A. turned off

B. went off

C. gave out

D. wore out

答案：

A. turned off

(答案→)B. went off

C. gave out

D. wore out

解析：可联系答.案.网客服索取。