单项选择题

How many days a working American has to work within a week

A．seven
B．six
C．five
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单项选择题
Mr. White came to ask the barber to give his tables and chairs a haircut.
A．Right.
B．Wrong.
C．Doesn't say.
单项选择题
Mr. White returned to the barber's shop to buy more cream.
A．Right.
B．Wrong.
C．Doesn't say.
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