单项选择题

A．The signing is very necessary.
B．The signing is just a reassurance.
C．The signing is not very necessary.
D．The signing is a way to monitor abuse.
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单项选择题
A．To tell him she has made all arrangements for him.B．To farewell to him.C．To give him thanks about his good arrangements.D．To invite him to visit China.
A．To tell him she has made all arrangements for him.
B．To farewell to him.
C．To give him thanks about his good arrangements.
D．To invite him to visit China.
单项选择题
A．Spend more time in the library.B．Write just one paper for all his classes.C．Drop one of his courses.D．Write three papers on closely related topics.
A．Spend more time in the library.
B．Write just one paper for all his classes.
C．Drop one of his courses.
D．Write three papers on closely related topics.
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