单项选择题

Conversation One

A. He received a call from the delegation.
B. He discussed with the Poland delegation.
C. He knew it through the contract they signed.
D. He received an E-mail this morning and knew it.
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单项选择题
Unlike public schools, the tuition for private schools（）

A. stays even ff the student leaves
B. is lost once a student doesn’t return
C. is based on students’ performance
D. rises to tackle the troubled economy
单项选择题
A. They compete with each other. B. They do good to each other.C. They focus on different news. D. They will die out.
A. They compete with each other.
B. They do good to each other.
C. They focus on different news.
D. They will die out.
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