My pen pal Ann found it difficult ______ Chinese well.
#48777
A
learning
B
learn
C
to learn
D
learned
推荐题目
I have a friend __________ Millie.
#49994
A
call
B
to call
C
called
D
calling
Bridge Street is a good place    fun.
#50860
A
to have
B
having
C
have
D
has
Do you prefer _______?
#49119
A
skate
B
skates
C
skating
D
skated