If (如果) you have problems (问题)，you can ask Tom _____ help.
#47385
A
to
B
on
C
for
D
in
推荐题目
–How do you learn English so well? –____ chatting with my uncle in America online.
#50180
A
For
B
By
C
In
D
With
— I left my keys in the room yesterday. I had to get in ________ the window. — It’s dangerous to do that.
#46178
A
above
B
to
C
through
D
over
–Could you please take out the trash? --OK. I’ll do it ________.
#50970
A
at a minute
B
on a minute
C
for a minute
D
in a minute