He some German while he was away on a business trip in Berlin.A. picked outB. picked upC.

问题补充：

He some German while he was away on a business trip in Berlin.

A. picked out

B. picked up

C. gave up

D. gave out

答案：

A. picked out

(答案→)B. picked up

C. gave up

D. gave out

解析： picked up “获得，学会”；A.“挑选”；C.“放弃”；D.“分发，用完”。