单项选择题

How long has the magazine been on sale

A．For one year.
B．For eighteen months.
C．For two years.
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单项选择题
Between 1945 and 1950 production increased
A．every year by 20, 000.
B．from 20,000 to 230, 000.
C．by 20,000 to 230, 000.
单项选择题
Large companies regularly run their own courses for secretaries.
A．Right
B．Wrong
C．Doesn’t say
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