I would have come sooner but I ________ that they were waiting. 
#104791
A
haven’t known
B
hadn’t known
C
don’t know
D
didn’t know
推荐题目
—Why didn’t you buy the gold ring? —I ______ but I didn’t have the money.
#103211
A
would have
B
bought
C
would like to
D
had bought
—Hi , Tracy , you look tired.  —I’m tried. I ______ the living room all day.
#102468
A
painted
B
had painted
C
have been painting
D
have painted
By the end of the last month, I_________all the CDs Of Justin Bieber.
#102399
A
collect
B
collected
C
have collected
D
had collected
These days, we _____ for our final exams.
#102111
A
are prepared
B
have prepared
C
are preparing
D
will prepare