单项选择题

Positions as teaching assistants ______ good writing and speaking skills.

A．stand for
B．call for
C．account for
D．act for
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单项选择题
Mrs. Johnson ______ about it before me.
A．would not like speaking
B．had better not speaking
C．would not like to speak
D．had better not to speak
单项选择题
Most doctors recognize that medicine is ______.
A．as art as much it is a science
B．much an art as it is a science
C．as an art as much it is a science
D．as much an art as it is a science
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