单项选择题

Now, she is upstairs ______ a long speech for the president.

A．preparing
B．was preparing
C．prepared
D．to prepare
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单项选择题
______ changed: whatever men can do, women can also do.
A．Time has
B．Times have
C．Age has
D．Ages have
单项选择题
The middle-aged lady surrounded by the masses is said ______ a ______.
A．to be, main
B．being, main
C．to be, chief
D．being, chief
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