My pen pal Ann found it difficult ______ Chinese well.
#48777
A
learning
B
learn
C
to learn
D
learned
推荐题目
Thank you for______us,Mr Li 
#49958
A
help
B
helps
C
helping
D
helped
At last the boy was made_____ and began to laugh.
#50101
A
stop crying
B
to stop to cry
C
to stop crying
D
stop to cry.
I don’t like milk, but mother wants me ______. 
#51371
A
drink
B
drinking
C
todrinking
D
todrink
He hurried back home________ his schoolbag.
#48731
A
fetched
B
to fetch
C
fetching
D
fetches