单项选择题

A．A half hour.
B．15 minutes.
C．20 minutes.
D．An hour and a half.
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单项选择题
A．For a few days.B．For several weeks.C．Since last year.D．For a few hours.
A．For a few days.
B．For several weeks.
C．Since last year.
D．For a few hours.
单项选择题
A．The man’s mother.B．They take him with them.C．The woman’s motherD．A baby-sitter.
A．The man’s mother.
B．They take him with them.
C．The woman’s mother
D．A baby-sitter.
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