He some French while he was away on a business trip in Paris.A. made outB. picked upC. gav

问题补充：

He some French while he was away on a business trip in Paris.

A. made out

B. picked up

C. gave up

D. took on

答案：

A. made out

(答案→)B. picked up

C. gave up

D. took on

解析：考查动词短语辨析。A辨认出，理解；B捡起；用车接；无意中学会；接受信号；康复。恢复；染上…；C放弃；D雇佣，呈现，承担；句意：当他在巴黎出差的时候，他无意中学会了一些法语。巩固B正确。