单项选择题

A．Two to four months.
B．About three weeks.
C．At least half a year.
D．Two years or more.
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单项选择题
A．It is urban in tone.B．It is up to date.C．It is expensive.D．It is brilliant in colour.
A．It is urban in tone.
B．It is up to date.
C．It is expensive.
D．It is brilliant in colour.
填空题
believed
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