The young couple was worried,because neither of them was aware ______ they had lost the necklace.
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A
of the place
B
of which
C
where
D
of where
推荐题目
---It is a long time ______ I saw you last． ---Yes．And it will be a long time ______ we see each other again．
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A
when; before
B
after; when
C
since; before
D
since; until
The river, ____ are covered with trees, is very long.
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A
which banks
B
of which banks
C
whose the banks
D
the banks of which
Being detemined is a kind of quality and that’s ________ it takes to do anything properly.
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A
how
B
which
C
where
D
what
People are recycling many things which they away in the past.
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A
had thrown
B
will be throwing
C
were throwing
D
would have thrown
There are 104 elements found in nature, ___ are metals.
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A
most of it
B
that
C
most of which
D
mostly