We should play a part in ______ the earth.
#46449
A
Save
B
to save
C
saving
D
saved
推荐题目
It’s essential for citizens to know that the haze(雾霾.can do harm ________ people’s health.
#47125
A
with
B
for
C
on
D
to
More and more people like to talk with their friends ______ sending messages on WECHAT(微信)
#48101
A
by
B
in
C
with
D
for
It’s very nice you my parents your best wishes when you come to see them.
#48039
A
of; giving
B
for; giving
C
for; to give
D
of; to give