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
Those postcards were so lovely that they_________ in no time.
#99830
A
sold
B
had been sold
C
were sold
D
have been sold
No sound and no voice______ for a while. 
#104900
A
have heard
B
has heard
C
has been heard
D
have been heard