单项选择题

A．Because he was sick and missed several lessons.
B．Because he was sick.
C．Because he went traveling in the past week.
D．Because he would keep up with the lessons.
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单项选择题
A．In a bookstore.B．In a park.C．At school.D．In a window-shopping.
A．In a bookstore.
B．In a park.
C．At school.
D．In a window-shopping.
填空题
Peterwas ______.
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