If we         now to protect the environment, we’ll live to regret it.
#53390
A
hadn't acted
B
haven't acted
C
don't act
D
won't act
推荐题目
How do people usually ___________ in the office?
#59701
A
put on
B
have on
C
wear
D
dress
Sometimes playing computer games can ______ students’ study.
#56919
A
get in the way of
B
get the way
C
get in the way on
D
get in the way with
Tom with his parents______ to America. They_____ back in two weeks.
#58761
A
have gone; will come
B
has gone; will come
C
have been; have come
D
have been; come