Nowadays，it is common to see people staring at their mobile phones instead of reading a real book，＿＿＿＿＿＿many experts are worried．
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A
when
B
for which
C
where
D
about which
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It was a meeting _________importance I did not realize at that time.
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A
that
B
which
C
its
D
whose
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
He is the only one of the students in our grade who ___ a winner of scholarship for three years.
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A
is
B
are
C
have been
D
has been
I work in a company___ almost everyone is waiting for a great chance.
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A
how
B
that
C
where
D
whose