Li Lei English when he was in Canada. Now he can speak it freely.
A. made out
B. picked out
C. made up
D. picked up
网友回答
A. made out
B. picked out
C. made up
(答案→)D. picked up
解析：A. made out 理解，辨认出B. picked out挑选出 C. made up 编造，组成D. picked up“搭起，收听，不经意学会”。句意：她在加拿大学会了英语，现在能熟练地说英语了。选D。