Who broke the door? Let’s.A. look it outB. find it outC. take out itD. keep out it.

问题补充：

Who broke the door? Let’s.

A. look it out

B. find it out

C. take out it

D. keep out it.

答案：

A. look it out

(答案→)B. find it out

C. take out it

D. keep out it.

解析：短语辨析。Look out当心；find out查明；take out 取出； keep out阻止进入。句意：谁弄坏了门？让我们查一下。故选B。