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
 She ___ volleyball regularly for many years when she was young.
#99986
A
was playing
B
played
C
has played
D
had played
She ____ the house the whole morning but it seems to be at least an hour before she finishes it.
#102096
A
has been cleaning
B
cleaned
C
had cleaned
D
has cleaned
We don’t live here;we_____.
#103707
A
just visit
B
are just visiting
C
just visited
D
have just visited