单项选择题

All speakers produce summaries of the sessions they gave.
The speakers should write（）

A. a proposal for their session.
B. a brief report about their session.
C. full details of whet is in their session.

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单项选择题

A．it was completely rebuilt in the late 19 century
B．there are smaller areas in Chicago than in Beijing
C．its population is in fact rather small

单项选择题

A. Children will be free.
B. Adults have to pay 20 pence to get in.
C. Children don't have to pay adults to get out.

单项选择题

A. You must wear your evening dress.
B. You don't have to wear evening dress, but you can if you tike.
C. Evening dress will make you look nic