单项选择题

China has ______ for over 20 years.

[A] develop
B. developed
C. developing
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单项选择题
Paul decided to give up the job, but wouldn’t tell us his ______.
[A] reasons
B. cases
C. hopes
单项选择题
What does the man mean
[A] He will be free tomorrow.
[B] He will talk with the woman tomorrow.
[C] He will talk with Mr. Chen tomorrow.
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