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When  ______  the United Nations founded?
#86067
A
is
B
are
C
was
D
were
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 There is going to _______ a party in our school.
#44013
A
have
B
has
C
is
D
be
Nobody but us _____ the secret.
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A
know
B
knows
C
have known
D
is known
The number of foreign students attending Chinese universities ______ rising steadily since 1990.
#85844
A
have been
B
are
C
has been
D
is
The sick in our country       taken good care of by the government.
#43519
A
is
B
are
C
has
D
have
Her mother _______ watch TV every day.
#44176
A
isn’t
B
don’t
C
doesn’t
D
aren’t