He_____ some German while he was away on a business trip in Berlin.
#82764
A
picked out
B
picked up
C
gave up
D
gave out
推荐题目
The great man  a lot   society before he died.
#80792
A
have contributed;on
B
had contributed;to
C
contributed;at
D
contributes;for
The opening policy has        many changes to china.
#67539
A
brought up
B
brought down
C
brought about
D
brought in
--- You didn’t lock the back door. --- You are wrong. I ______.
#71415
A
have locked it
B
lock it myself
C
did lock it
D
do lock it