单项选择题

When everyone was ______ , the meeting began in the meeting room.

A．sit
B．seated
C．seating
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单项选择题
He forgot ______ the bottle first before ______ the medicine.
A．to shake; taking
B．shaking; to take
C．to shake; to take
单项选择题
-- Could you tell me the way to the Summer Palace-- ______.
A．All right
B．Certainly
C．yes, I could
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