In American, a friend inviting you to a restaurant doesn't mean that he or she will pay for the meal ______ you are told ahead.
#55342
A
until
B
unless
C
although
D
if
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It’s best to travel with someone who can translate things for you ________ you speak French yourself.
#56933
A
if
B
until
C
unless
D
when
—Would you like to go for a walk with me, Allen?—I'd love to, ________you don't want to go alone.
#58269
A
until
B
before
C
if
D
after
—Would you like to go for a walk with me?—I’d love to, ________I’m afraid I have to finish my homework first.
#56529
A
but
B
so
C
and
D
or
The police ____ still not sure ______ the young man killed himself or was killed.
#56977
A
is, if
B
is, whether
C
are , whether
D
are, that