Pardon? I ___ quite catch you.
#103974
A
didn’t
B
couldn’t
C
don’t
D
can’t
推荐题目
 —Where do you think__he__the computer? — Sorry. I have no idea.
#104418
A
has ; bought
B
/; bought
C
did ; buy
D
had ; bought
During the last three decades, the number of people participating in physical fitness programs___ sharply.
#100578
A
was increasing
B
has increased
C
had increased
D
will be increasing
We must give up the project now. We _____ money. 
#101247
A
are running out of
B
will run out of
C
had run out of
D
have run out of