We spent many hours in a pleasant conversation how to fish.A. talking aboutB. to talk abou

问题补充：

We spent many hours in a pleasant conversation how to fish.

A. talking about

B. to talk about

C. talked about

D. to be talked about

答案：

(答案→)A. talking about

B. to talk about

C. talked about

D. to be talked about

解析：可联系答.案.网客服索取。