单项选择题

A．The workers on the underground platforms were replaced by machines.
B．It became the first completely automatic railway in the world.
C．A completely automatic line was added to its network.
D．Computers began controlling the trains on the line.
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单项选择题
A．Waved their hands.B．Shout and cried.C．Waved their shirts.D．Made a fire.
A．Waved their hands.
B．Shout and cried.
C．Waved their shirts.
D．Made a fire.
单项选择题
A．He remembers that he does not have the video in his office.B．He realizes that the woman does not have a VCR.C．He is worried that he will not have the video back in time for his class.D．He realizes that he will not need the video from Friday to next week.
A．He remembers that he does not have the video in his office.
B．He realizes that the woman does not have a VCR.
C．He is worried that he will not have the video back in time for his class.
D．He realizes that he will not need the video from Friday to next week.
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