He hid himself behind the door _____ he still could see what would happen to his classmates. 
#72000
A
there
B
which
C
from which
D
from where
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Generally speaking, nobody will work with _____ has a bad virtue.
#74055
A
no matter who
B
anyone
C
whomever
D
Whoever
The poor girl       across the road       a car knocked her down.
#41276
A
walked; while
B
walked; since
C
was walking; until
D
was walking; when