We didn’t start our discussion _____ everybody arrived.
#58329
A
since
B
if
C
while
D
until
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I won't come back _________August 5 and 7, so you’ll have to go there alone.
#57814
A
until
B
both
C
between
D
for
Tom can play the guitar, ______ he can’t play it ______.
#55551
A
or, good
B
and, well,
C
but, good
D
but, well
------You are leaving for Beijing Please send me a postcard _________ you are there.------No problem.
#55621
A
if
B
while
C
although
D
because
The earth will become worse and worse ________ we do something to stop her from being polluted.
#55977
A
if
B
even if
C
when
D
unless