单项选择题

A．A flood wall was built.
B．Rescue teams were formed.
C．An alarm system was set up.
D．50 underground stations were made waterproof.
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单项选择题
A．People’’s health.B．People’’s lives and futures.C．The end of the world.D．The Great Depression of 1929.
A．People’’s health.
B．People’’s lives and futures.
C．The end of the world.
D．The Great Depression of 1929.
单项选择题
A．To study together.B．To go to Elizabeth’’s room.C．To call Elizabeth.D．To watch TV together.
A．To study together.
B．To go to Elizabeth’’s room.
C．To call Elizabeth.
D．To watch TV together.
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