My pen pal Ann found it difficult ______ Chinese well.
#48777
A
learning
B
learn
C
to learn
D
learned
推荐题目
What bad weather it was! We decided .
#49184
A
not to go out
B
to go out
C
to not go out
D
not going out
In Great Britain it isn’t polite ______ from each other’s plate.
#50383
A
eat
B
to eat
C
eating
D
for eating
In the old days, people lived in caves and they had to make a fire _________themselves warm.
#50642
A
to keep
B
keeping
C
keep
D
kept
