China's present environment situation is from bad to worse and if we _________ now to protect the environment, we’ll live to regret it.
#99934
A
hadn’t acted
B
haven’t acted
C
don’t act
D
won’t act
推荐题目
See? The strange man I saw yesterday _____ around my house again. Should I call the police？
#100138
A
walk
B
walked
C
is walking
D
has walked
We are all ____________ in books these days since the exams are coming.
#99337
A
caught
B
missed
C
stuck
D
buried
—Remember the first time we met?—Sure．You__________ the novel Pride and Prejudice in the library．
#101268
A
had borrowed
B
have borrowed
C
were borrowing
D
borrowed
I feel so excited! At this time tomorrow, I ________ by camel with local guides in Northern Africa.
#101224
A
travel
B
travelled
C
will be travelling
D
have travelled
The pills really work! I __________ 7 kilograms in the last two months!
#100213
A
lose
B
lost
C
am losing
D
have lost