单项选择题

A．Because he was busy.
B．Because he was ill.
C．Because he was on a trip.
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单项选择题
A．At half past four.B．In an hour.C．At five o’ clock.
A．At half past four.
B．In an hour.
C．At five o’ clock.
单项选择题
A．Milk.B．Sugar.C．Both milk and sugar.
A．Milk.
B．Sugar.
C．Both milk and sugar.
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