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单项选择题

A．It’’s cold and warm air is needed.
B．It’’s cool enough, but an open window could make it too cold.
C．It’’s hot outside, so don’’t open the window.
D．It’’s nice and warm in the room.
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热门试题

单项选择题A．The echo in the church in Missouri was most unusual.B．Mark Twain’’s two friends had never heard a real echo.C．Mark Twain was taken in by his friends.D．Mark Twain knew how to tease his friends.

A．The echo in the church in Missouri was most unusual.
B．Mark Twain’’s two friends had never heard a real echo.
C．Mark Twain was taken in by his friends.
D．Mark Twain knew how to tease his friends.

单项选择题A．He was well-known in the world.B．He was very strange.C．He was clever and hard working.D．He was quick at Latin and poems.

A．He was well-known in the world.
B．He was very strange.
C．He was clever and hard working.
D．He was quick at Latin and poems.