单项选择题

A．It is very well established
B．It is relatively new
C．It is found in one million homes
D．It is being rapidly expanded
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单项选择题
A．Watching a movieB．In line at a museumC．In line outside a movie houseD．In the subway
A．Watching a movie
B．In line at a museum
C．In line outside a movie house
D．In the subway
单项选择题
A．Read a bookB．Write a compositionC．Talk about a programD．Listen to the radio
A．Read a book
B．Write a composition
C．Talk about a program
D．Listen to the radio
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