Mr Wang does what he can ________ us improve our English. 
#51198
A
help
B
to help
C
helping
D
helped
推荐题目
They are looking forward to _______Beijing.
#50747
A
visit
B
visited
C
visits
D
visiting
I’m trying to sleep. Would you mind ________ the music?
#50842
A
turn down
B
turning down
C
to turn down
D
to turning down
Jim spent  half an hour ______his work.
#50083
A
finish
B
to finish doing
C
finishing to do
D
finishing