To live a green life, we try_________ more energy and produce less pollution.
#52402
A
to save
B
save
C
saves
D
saved
推荐题目
We have two rooms to live in, but I can't decide_________. 
#59679
A
to choose which one
B
choose which one
C
which one to choose
D
which one will I choose
---- The reading room ______ from 9a.m. to 5p.m.  ---- It’s 4 p.m. now, but the door ______.
#57236
A
is open, is closed
B
closes, opens
C
opens, is open
D
is open, close