Tom’s decided to devote all he could ________ his English before going abroad.
#48478
A
to improving
B
have improved
C
to improve
D
improve
推荐题目
Do you have any trouble           the foreigners?
#51023
A
to understand
B
understanding
C
understand
D
understood[
The children were made ____ 12 hours a day.
#50586
A
work
B
worked
C
working
D
to work