–Did you ask the guard what happened?--Yes, he told me all ______ he knew.
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A
about which
B
which
C
that
D
what
推荐题目
The Great wall is the only one of the buildings on the earth_____ seen from the moon.
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A
which is
B
which are
C
that are
D
that is
Let’s talk about the persons and the things ________ we can remember.
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A
which
B
whom
C
that
D
what
.The place _____ the bridge is supposed to be built should be _____ the cross-river traffic is the heaviest.
#77584
A
which; where.
B
which; in which.
C
at which; which..
D
at which; where.
Ted came for the weekend wearing only some shorts and a Tshirt，________ is a stupid thing to do in such weather.(2011·全国Ⅱ)
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A
this
B
that
C
what
D
which
---Three people got killed by two explosions.---When was __________?---________ was on April 15 __________ the 2013 Boston Marathon was being held．
#76612
A
that; It; when
B
this; This; that
C
this; It; when
D
that; It; that