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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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 ______ is no possibility _____ the shy girl can win the first prize in the English speech contest.
#74054
A
There; that
B
It; that
C
There; whether
D
It; whether
 Yesterday she sold her car, ______ she bought a month ago.
#71804
A
whom
B
where
C
that
D
which
We shall go to help them_______we are free.
#72166
A
whenever
B
whatever
C
wherever
D
however
He paid the boy 10 yuan foe washing ten windows, most of ____ hadn’t been cleaned for at least a year.
#71895
A
these
B
those
C
that
D
which
Have you ever been to the square             was built last year?
#70789
A
which
B
where
C
when
D
what