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Never stand up ________ you are asked to.
#58222
A
if
B
since
C
unless
D
when
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--Hurry up! The bus is coming.--Wait a minute. Don’t cross the street       the traffic lights are green.
#56768
A
until
B
after
C
while
D
since
—Would you like to go to the park with me?—I’d love to, ________ I’m afraid I have no time.
#55263
A
so
B
or
C
and
D
but
It is _____ to cycle around Guilin. 
#58009
A
a great fun
B
a fun
C
great fun
D
a great funny
—I am trying my best to learn English, but it doesn’t work well!—Don’t worry! Regard it _____ a big challenge!
#58178
A
to
B
with
C
for
D
as
—Where’s my cat, Bill? —There aren’t any cats here, ___________ there’s a little dog.
#58203
A
but
B
and
C
or
D
with
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