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
It’s dangerous a close look at the tiger in the zoo.
#47767
A
for us taking
B
of us to take
C
of us taking
D
for us to take
We should try our best to help the animals _______.
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A
in dangerous
B
danger
C
in danger
D
dangerous
— 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