(2013·安徽，21)From space, the earth looks blue.This is ________about seventy－one percent of its surface is covered by water.
#67309
A
why
B
how
C
because
D
whether
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I usually take something to read when I travel by train I feel bored.
#68447
A
in case
B
so that
C
as if
D
even though
I’ll go to the party with you ________ you don’t wear those strange trousers.
#67682
A
as though
B
in order that
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providing
—Where did you come across our Chinese teacher?—It was in the supermarket ________ I purchased mooncakes.
#67110
A
that
B
which
C
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They will send kids to college it takes, even if that means a huge amount of debt.
#68419
A
whoever
B
however
C
whatever
D
whichever