We should play a part in ______ the earth.
#46449
A
Save
B
to save
C
saving
D
saved
推荐题目
--Which floor do you live_____? --The first floor. And I live ________Room 2046.
#48041
A
on; in
B
on; on
C
in; on
D
in; in
He will come here _______5:00 _________6:00 this afternoon.
#48581
A
among; and
B
between; and
C
from; to
D
among; or
－ So many things _ you! Where are you going?－ I’m going ______ a trip to Tibet.
#50818
A
for; to
B
with; on
C
to; on
D
with; for
It’s careless _____ him to make the same mistake again. I think it important ______ everyone to be careful in everything.
#48081
A
to; for
B
for; of
C
of; to
D
of; for