Although we’ve learned English for years, we have trouble _____ the       foreigners.
#50181
A
understand
B
to understand
C
understanding
D
of understanding
推荐题目
Let's __________. We haven't got any fruit and vegetables.
#49269
A
went shopping
B
go shopping
C
goes shopping
D
going shopping
I don’t have much time _______ breakfast.
#49548
A
with
B
on
C
to eat
D
eating
My funny joke made my grandparents ___ happy.
#51058
A
feel
B
to feel
C
feeling
D
is feeling
— I tried       it out in this way, but I failed.— Why not       it in some other ways?
#50281
A
to work; try doing
B
to work; try to do
C
working; try to do
D
to work; to try doing