Do you have any trouble           the foreigners?
#51023
A
to understand
B
understanding
C
understand
D
understood[
推荐题目
Lisa really wanted _________.
#49178
A
win
B
won
C
to win
D
winning
 We will spend our summer holiday in Guilin, but we haven’t decided______________.
#51325
A
what to buy
B
where to go
C
how to go
D
which to choose
It’s bad for our eyes _____in bed.
#50767
A
read
B
reading
C
to read
D
reads
Students are supposed ________ hard at school.
#50182
A
studying
B
studied
C
to study
D
study