Copernicus’s theory is now the basis ______ all our ideas of the universe are built.
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A
to which
B
on which
C
for which
D
by which
推荐题目
A good advertisement often uses words ________ people attach positive meanings.
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A
in which
B
to which
C
which
D
that
Any habit ______ slows down your silent reading to the speed at which you speak, or read aloud, is inefficient.
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A
which
B
/
C
that
D
who
Before you resign you should consider the effect _______ will have on your family.
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A
it
B
one
C
who
D
what
Cheer up! Everyone may have periods in their lives everything seems tough.
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A
which
B
where
C
when
D
that