问题
选择题
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
答案：B
搜题请搜索小程序“爱下问搜题”
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：B