She is a hardworking student, and all her spare time she has ________ staying in the library.
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A
spent
B
is spent
C
to spend
D
to be spent
推荐题目
Mr. Zhang gave all textbooks to all the pupils, except___________ who had already taken tem.
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A
these
B
ones
C
the ones
D
the others
Qing Dynasty ______for more than 200 years.
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A
existed
B
has existed
C
was existed
D
has been existed
—Have you received your new shoes? —Yes. And at the same time I got the jacket I _____.
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A
had ordered
B
ordered
C
have ordered
D
order
My pain _____ obvious the moment I entered the office，for the first man I met asked pitifully，“Are you feeling all right？”
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A
could be
B
could have been
C
must be
D
must have been