Everyone should make a contribution the environment.
#60222
A
to protect
B
to protecting
C
protects
D
protected
推荐题目
Has your sister succeeded_____ the first place at the university this term?
#52933
A
for getting
B
to get
C
in getting
D
in get
— What did Mr. Chen about the centre of town? — It has become a park.
#53125
A
talk
B
tell
C
say
D
speak
Every time when something ____ me, I turn on the radio and listen to music.
#58123
A
worry
B
worries
C
worrying
D
worried
