单项选择题

A．About 30 hours.
B．About 13 hours.
C．About 16 hours.
D．About 60 hours.
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单项选择题
A．Under a tall tree.B．On top of a building.C．In a closed car.D．Beside a metal pole.
A．Under a tall tree.
B．On top of a building.
C．In a closed car.
D．Beside a metal pole.
单项选择题
A．The man dare not face Rachel because he refuses to help.B．The man types well but is unwilling to help.C．The man doesn’ t think he would be of much help.D．The man doesn’ t have enough time, so he can’ t help her.
A．The man dare not face Rachel because he refuses to help.
B．The man types well but is unwilling to help.
C．The man doesn’ t think he would be of much help.
D．The man doesn’ t have enough time, so he can’ t help her.
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