You cannot take back your words ______ they are out of your mouth.
#30215
A
before
B
whether
C
once
D
while
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Kathy opened her mouth, expecting a candy and then looked puzzled______ she got nothing.
#32102
A
when
B
although
C
so
D
Once
.Look out! Don’t get too close to the house ______ the roof is under repair.
#33022
A
whose
B
which
C
of which
D
what
