Everyone should make a contribution the environment.
#60222
A
to protect
B
to protecting
C
protects
D
protected
推荐题目
Please tell the students ________ too much noise in class.
#61841
A
to make
B
to take
C
not to take
D
not to make
-- Would you please __________your radio a little? I can hardly go to sleep.-- Oh, sorry.
#60247
A
turn off
B
turn on
C
turn down
D
turn up
—Do you know Tom?—Sure, we have ______in the same village for many years.
#60346
A
left
B
lived
C
come
D
gone