单项选择题

A．Because they get low grades.
B．Because they exhaust the reference sources in the library.
C．Because they can spend only limited time with the professors.
D．Because their teachers do not grade every assignment of them.
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单项选择题
A．Return early the next day.B．Photocopy the articles he needs.C．Ask professor Grand for a copy of the articles,D．Wait until the girl has finished with her articles,
A．Return early the next day.
B．Photocopy the articles he needs.
C．Ask professor Grand for a copy of the articles,
D．Wait until the girl has finished with her articles,
单项选择题
A．He has to use a password.B．He has to show his ID card.C．He only needs to fill out a withdrawal form.D．He needs to fill out a withdrawal form and hand in the check book.
A．He has to use a password.
B．He has to show his ID card.
C．He only needs to fill out a withdrawal form.
D．He needs to fill out a withdrawal form and hand in the check book.
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