It is necessary _____ something to protect our environment.
#50188
A
do
B
to do
C
does
D
doing
推荐题目
____ more information about the school, you can go to www. sjz42.com.
#49823
A
Find
B
Finding
C
To find
D
Found
our English teacher encourages us part in all kinds of after-class activities.
#51183
A
to take
B
take
C
taking
D
to taking
Our teacher told us _______ in class .
#49345
A
listened carefully
B
to listen carefully
C
listened careful
D
to listen careful
All the students are looking forward _______ Nie Haisheng and Fei Junlong.
#48448
A
see
B
to see
C
seeing
D
to seeing