I would have come earlier, but I _____ that you were waiting for me. 
#99367
A
didn’t know
B
hadn’t know
C
would have known
D
haven’t known
推荐题目
This machine __________ It has worked for years.
#102524
A
didn’t work
B
wasn’t working
C
doesn’t work
D
isn’t working
.The city, which _________ by beautiful scenery, is where I was born.
#103869
A
is surrounding
B
is surrounded
C
surrounded
D
surrounding
The main road _____ for repairs, so we had to change the route to the downtown.
#102885
A
is being closed
B
has been closed
C
was to be closed
D
had been closed
 ----Your job_________ open for your return.    ---- Thanks.
#102929
A
will be kept
B
will keep
C
had kept
D
had been kept