单项选择题

A．They were driven by steam engines.
B．They were pulled by animals or humans.
C．They were pulled by riders themselves.
D．There were totally unusable.
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单项选择题
A．He will drink coffee after the discussion.B．He will have coffee later.C．He will drink the coffee before the discussion.D．He will wait for his turn to get the coffee.
A．He will drink coffee after the discussion.
B．He will have coffee later.
C．He will drink the coffee before the discussion.
D．He will wait for his turn to get the coffee.
单项选择题
A．Makes a speech.B．Plays a major role.C．Arranges topic to be discussed.D．Sits there and listen.
A．Makes a speech.
B．Plays a major role.
C．Arranges topic to be discussed.
D．Sits there and listen.
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