None of them knew what had happened _________ I told them about it.
#55978
A
when
B
until
C
after
D
though
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They will not start the work _______ their teacher comes back.
#58093
A
while
B
until
C
as soon as
D
if
—I wonder Tom will come to our party.—He will when he finishes his work, I think.
#55569
A
how
B
whether
C
that
D
what