Not only Mary but also Alice ________ to the Great Wall.
A. have been
B. have gone
C. has been
D. hasn’t gone
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Two months ________ quite a long time. He may fall behind ________ students.
A. is; the others
B. are; the others
C. is; the other
D. are; other
________there a group of children near the lake this time yesterday?
A. Were
B. Are
C. Will
D. Was
Neither he nor I ________ going to tie this tree to the stick.
A. am
B. is
C. are
D. will
Half of the students ________ from Beijing.
A. is
B. was
C. are
D. be
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