(2013·甘肃兰州名校高三检测)The professor told me to start the research right now, ________ I was sure to fall behind.
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A
or
B
so
C
but
D
and
推荐题目
I doubt ____________all the people invited will come to attend the ceremony in such bad weather.
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whether
B
that
C
how
D
what
That was a very busy street that I was never allowed to cross accompanied by an adult.
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A
when
B
if
C
unless
D
where
—What do you think of the music teacher ?—______ she is an attractive lady, she can be extremely difficult to work with．
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A
If
B
As
C
Because
D
While
Today,_________ rapid transportation and communication , the whole world seems to be smaller.
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regardless of
B
in spite of
C
instead of
D
because of
You can’t complain about being left out ______you don’t make any effort to share your joys and sorrows with others.
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A
once
B
unless
C
when
D
though