We should play a part in ______ the earth.
#46449
A
Save
B
to save
C
saving
D
saved
推荐题目
The 30th Olympic Games will be held in London _________ July 27 to August 12th , 2012 .
#48559
A
on
B
in
C
at
D
from
It’s not always necessary to look up the words ________ the dictionary while reading. Sometimes we need to guess.
#50237
A
up
B
in
C
at
D
from
—Hello, what about you?—Hello, Ms Li. My name is Li Daming and I’m ________ Beijing too.
#47576
A
for
B
of
C
behind
D
from
