No matter how fast we worked, ____.
#73128
A
we couldn’t catch up with them
B
and we couldn’t catch up with them
C
so we couldn’t catch up with them
D
but we couldn’t catch up with them
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A brilliant idea occurred to him, ___ to his research in the lab.
#67725
A
while devoting
B
while devoting himself
C
while he was devoted
D
while devoted
The man_____ was an old classmate of mine.
#73862
A
you just talked to him
B
who just talked to
C
you just talked to
D
whom you just talked