Ellen was a painter of birds and of nature, _____, for some reason, had withdrawn from all human society.
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A
which
B
who
C
where
D
whom
推荐题目
The following are some popular websites________people can sell goods to each other.
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A
where
B
which
C
when
D
whose
I love animals and that’s the reason ______ I hate the people who kill wild animals for money.
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A
that
B
in which
C
which
D
why
Today，we’ll discuss a number of cases ________ parents have much difficulty in communicating with their children.
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A
which
B
as
C
why
D
where
He had a lot of friends, only a few of ______ were invited to his wedding.
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A
whom
B
them
C
which
D
who