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
推荐题目
The president of the World Bank says he has a passion for China , , he remembers starting as early as his childhood.
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A
where
B
which
C
what
D
when
I wish to thank Mr. Lord, without _______ help I would never have got this chance.
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A
who
B
whose
C
whom
D
which
I was born in New Orleans，Louisiana，a city ________ name will create a picture of beautiful trees and green grass in our mind.
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A
which
B
of which
C
that
D
whose
In the city, I saw so grand a National Day celebration _______ I never dreamed of．
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A
which
B
as
C
that
D
when