The school has developed an online system________ students can choose their own teachers.
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A
which
B
when
C
that
D
where
推荐题目
Can you find me something ______?
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A
that I can open the tin
B
to open the tin
C
I can open the tin with
D
by which to open the tin
_______ is known to everybody, the moon travels around the earth once a month. .
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A
It
B
As
C
That
D
What
It was March 11, 2011 _______ magnitude-9.0 earthquake struck Japan and subsequent tsunami triggered the large-scale crisis.
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A
that
B
when
C
on which
D
which
Up to now, the poet has written eight poems, three ___ are about American country life.
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A
of them
B
in them
C
of whom
D
of which
A good advertisement often uses words ________ people attach positive meanings.
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A
that
B
to which
C
with which
D
which