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
The plane will ___ from Beijing Capital Airport and land in London.
#63220
A
take up
B
take out
C
take away
D
take off
—What a nice bike! Is it new?—No. I have _________ it for 2 years.
#60264
A
had
B
sold
C
borrowed
D
bought
Mum ________ clothes, so I have to look after my younger sister.
#54056
A
washes
B
is washing
C
washed
D
was washing
— Air quality in our city is becoming worse and worse.—Yes. These days' PM2.5 readings are frightening. We must do something to ______air pollution.
#55017
A
reduce
B
remove
C
collect
D
gather