(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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The Browns held _______ they called “family day” once each year.
#69355
A
that
B
what
C
which
D
when
result it is, you’d better check it in practice yourself.
#67820
A
Whatever obvious a
B
However obvious
C
However obvious a
D
However a obvious
I thought the girl nice，pretty and honest ________ I met her.
#68191
A
first time
B
for the first time
C
the first time
D
by the time
My cousin keeps the photo ____ he can see it every day, as it always reminds him of his college days in Florida.
#73170
A
which
B
where
C
whether
D
when
It’s based on the idea ____ all people are created equal, ____ is accepted by most people.
#67773
A
that; that
B
which; which
C
which; when
D
that; which