A series of books in the library ____ been stolen so that the number of them ____ smaller than before.
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A
have, is
B
has, is
C
has, are
D
have, are
推荐题目
A lot of foreigners__________ familiar with the famous places of interest in China．
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A
am
B
is
C
are
D
be
Only 16 percent of China’s area ____ covered with forests, so ____of us should protect trees.
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A
are; every
B
is; each
C
is; everyone
D
are; each
The girl sitting by the window is the only one of the students who _______ from the countryside in our class.
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A
was
B
were
C
is
D
are
That building is now a supermarket. It ______ a cinema.
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A
was
B
is used to be
C
used to be
D
would be