Everyone should do something ______ wild animals.
#49313
A
to protect
B
protecting
C
protect
D
to protecting
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
They thought __________ important to look right and left when ________ the road.
#48965
A
it’s; cross
B
it; to cross
C
it; crossing
D
it was; to cross
We have so many kinds of guitars for you ________.
#49705
A
to choose
B
to choose from
C
to be chosen
D
to be chosen from