The girl ________ I met in the street yesterday is Mary
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whom
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which
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as
D
what
推荐题目
(2013·四川，9)Nowadays people are more concerned about the environment________they live.
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what
B
which
C
when
D
where
Whenever I met her, was fairly often, she greeted me with a sweet smile.
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A
who
B
that
C
when
D
which
The App WeChat provides a networking platform ______ communication is faster and easier.
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A
which
B
where
C
when
D
why
The days are gone ________ we could leave our door unlocked at night.
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where
B
which
C
when
D
while