--- When did your father come back last night?--- He didn’t come back _______ he finished all the work.
#56358
A
until
B
while
C
if
D
unless
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—Did Alice sleep well last night?—No, she didn’t. She didn’t go to bed _______ 12 o’clock last night.
#56917
A
after
B
when
C
until
D
if
their problems can make them worry, I still have ways to help them out.
#56167
A
Because, so
B
Though, /
C
Either, or
D
Whether, or