If we _________ now to protect the environment, we’ll live to regret it.
#100580
A
hadn’t acted
B
haven’t acted
C
don’t act
D
won’t act
推荐题目
We'd better take umbrellas—I'm sure it____when we arrive in London; it's always wet there at this time of year．
#100548
A
will rain
B
is raining
C
will be raining
D
would rain
By the time I got home yesterday, my husband _______ cooking the dinner.
#102231
A
had finished
B
finished
C
has finished
D
finishes
—What do you think of the Eiffel Tower?—Splendid. When I was in France, I it.
#102232
A
have visited
B
had visited
C
could visit
D
visited
A fire broke out in the neighborhood last night. By the time the firemen arrived, it .
#101011
A
had been put out
B
would put out
C
has been put out
D
was putting out
-- Mr Jordan, we want to hear your opinion about the current NBA games．-- OK, I ____ to that.
#100129
A
came
B
have come
C
am coming
D
come