单项选择题

A．It is more comfortable than a conventional train.
B．It doesn’’t require much track maintenance.
C．It doesn’’t remain in any station very long.
D．It carries more passengers than a conventional train.
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单项选择题
A．He was very slow in doing things.B．He was the right person to do such a thing.C．He is expected to do such a thing.D．He would never do such a thing.
A．He was very slow in doing things.
B．He was the right person to do such a thing.
C．He is expected to do such a thing.
D．He would never do such a thing.
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