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
She tried ________ Chinese in English.
#51095
A
to not speak
B
not to speak
C
not speaking
D
didn’t to speak
One way _____ this problem ______ search for some information on the Internet.
#49168
A
solve; is to
B
to solve; is to
C
to solve; is
D
solve; is
I often practice _________ football on Friday.
#49616
A
playing
B
to playing
C
play
D
to play