I would have come earlier, but I ________ that you were waiting for me. 
#89381
A
didn’t know
B
hadn’t know
C
would have known
D
haven’t known
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If only I   to my parents advice.
#88961
A
listening
B
listen
C
am listening
D
had listened
“Show me your permit, please.” “Oh, it’s not in my pocket. It ______.”
#89543
A
might fall out
B
could fall out
C
should have fallen out
D
must have fallen out