He           some French while he was away on a business trip in Paris.
#65827
A
made out
B
picked up
C
gave up
D
took on
推荐题目
This area soon ____ from the effects of the earthquake.
#71822
A
hid
B
recovered
C
concerned
D
set
It is uncommon that she is a person ___________up late . 
#73481
A
accustomed to stay
B
accustomed to staying
C
used to stay
D
addicted to stay