—I have never been to the Great wall. —If you have an opportunity _______ there, you must take it.
#48916
A
to go
B
to going
C
going
D
go
推荐题目
-What are you busy doing, Sandy?- I’m making some flash cards _________ me remember English words.
#48974
A
help
B
to help
C
helping
D
helped
Can I stop ______ a rest, Sir?– Keep _______! The terminal (终点) is around the corner.
#50437
A
to have, running
B
having, running
C
to have, to run
D
having, to run
The policeman did his best to make the baby_______.
#49008
A
to stop crying
B
stop crying
C
to stop to cry
D
stop to cry