单项选择题

Physics, as well as mathematics, ______ important to us.

A. is
B. are
C. being
D. have been
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单项选择题
Everybody must have ______ own choice.
A. its
B. his
C. her
D. one’s
单项选择题
The novelist and poet ______ best writer of the year.
A. have been awarded
B. have awarded
C. has awarded
D. has been awarded
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