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----May I go swimming this afternoon? ----I'm afraid not _______ you have finished your homework.
#55714
A
unless
B
because
C
if
D
though
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 -- Would you like to go to the concert with me?-- I’d love to, _________ I’m afraid I have no time.
#55167
A
so
B
or
C
and
D
but
—________ are you going?—To the bookstore.
#55943
A
Where
B
What
C
Which
D
Who
Uncle Tetsu（彻思叔叔）cheese cakes sell well____they are so nice.
#55773
A
because
B
so
C
but
D
and
They will lose the game ______they try their best.
#55457
A
unless
B
when
C
since
D
after
— __________ will the meeting start?—In about ten minutes, I think.
#56228
A
How long
B
How soon
C
How often
D
How far