单项选择题

A．Make up homework problems.
B．Do research in the library.
C．Teach an introductory economics course,
D．Grade homework sets.
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单项选择题
A．He was a close friend of her family.B．He fell in love with her.C．He realized she was so good.D．He wanted her to play for his music.
A．He was a close friend of her family.
B．He fell in love with her.
C．He realized she was so good.
D．He wanted her to play for his music.
单项选择题
A．They do not want to use the reference materials.B．They have been keeping the librarian busy.C．They have part-time jobs at the library.D．They do net arrive at the library on time.
A．They do not want to use the reference materials.
B．They have been keeping the librarian busy.
C．They have part-time jobs at the library.
D．They do net arrive at the library on time.
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