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 While watching television, ________.    
#68458
A
the doorbell rang
B
the doorbell was rung
C
we heard the doorbell ring
D
we heard the doorbell rings
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There is no doubt ________ he will succeed.
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A
whether
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which
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that
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if
 I felt very strange __________________.
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A
when the first time I skied
B
for the first time I skied
C
the first time when I skied
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America was____________ was first called" India" by Columbus
#74210
A
that
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where
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what
D
the place
 Today’s teens don’t see anything strange in the fact _______the computer takes up a central place in their social lives.
#68493
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which
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that
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where
D
what
I have never imagined the possibility _______ the First Lady Ms Peng is so popular with people in Europe and Africa.
#67956
A
that
B
which
C
why
D
where