单项选择题

A．Makes up homework problems.
B．Does research in the library.
C．Teaches an introductory economics course.
D．Grades homework sets.
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单项选择题
A．Independent.B．Strong.C．Determined.D．Persistent.
A．Independent.
B．Strong.
C．Determined.
D．Persistent.
单项选择题
A．Because she has a lot of things to do to have the ceremony.B．Because she wants to express her gratitude to the representatives.C．Because she wants to get some immediate help from these persons.D．Because she wants to know what work each representative can do.
A．Because she has a lot of things to do to have the ceremony.
B．Because she wants to express her gratitude to the representatives.
C．Because she wants to get some immediate help from these persons.
D．Because she wants to know what work each representative can do.
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