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
推荐题目
Children under sixteen are not permitted to participate in such kind of activities ________ bad for their mental development.
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A
as is
B
as are
C
that are
D
that they are
The old town has narrow streets and small houses _____are built close to each other．
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A
they
B
where
C
what
D
that
The photo often reminds me of the scene _____ we were kept reading and writing after school.
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A
on which
B
where
C
which
D
why