Do you have any trouble           the foreigners?
#51023
A
to understand
B
understanding
C
understand
D
understood[
推荐题目
She spent a lot of time _________the fire that day.
#50622
A
to put out
B
putting out
C
to put on
D
putting on
Don’t forget      the lights when you leave.
#50822
A
to turn on
B
turn on
C
to turn off
D
turning off
---What a heavy rain! ----So it is. I prefer ______ at home ______on such a rainy day.
#51053
A
watch TV; to go out
B
watch TV; go out
C
watching TV; to going out
D
to watch TV; going out