(2013·安徽，21)From space, the earth looks blue.This is ________about seventy－one percent of its surface is covered by water.
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A
why
B
how
C
because
D
whether
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The poor girl across the road a car knocked her down.
#41276
A
walked; while
B
walked; since
C
was walking; until
D
was walking; when
-Look at those clouds!-Don't worry. ______ it rains, we'll still have a great time.
#68403
A
Even if
B
As though
C
In case
D
If only
After quarreling with her best friends, Mary has got herself into a situation______ she is likely to turn to nobody for help.
#70640
A
where
B
which
C
while
D
why
Shackleton kept his promise ____he would return to Elephant Island ____the crew had been left.
#67356
A
which; that
B
that; which
C
what; where
D
that; where
___ , he still put people’s life in the first place.
#68314
A
However he was tired
B
Now matter he was tired
C
Now matter how was he tired
D
However tired he was