单项选择题

These modern computers are used all ___________ the world.

A． on
B． in
C． over
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单项选择题
The girl's name is Joan Allan Shute, so we call her ___________.
A． Miss Joan
B． Miss Shute
C． Mrs Joan
单项选择题
The cars are made ___________ metal.
A． in
B． from
C． of
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