单项选择题

A．is
B．signals
C．stands for
D．indicates
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Where to Live, in the City or in the CountryYou are to write in three parts:In the first part, state what you think is the best way.In the second part, support your view with one or two reasons.In the third part, bring what you have written to a natural conclusion or a summary.Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the instructions may result in a loss of marks.
单项选择题
A．processB．wayC．periodD．device
A．process
B．way
C．period
D．device
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