A．she had to do what others were doing B．she was afraid of her trouble to be found out C．the reading class was terrible D．her mother had told her to do so
单项选择题According to the passage, it is （）to decide the exact amount of tax to be paid.
A．simple B．easy C．difficult D．interesting
单项选择题（1）空应填写（）
A．Being B．For C．Having D．As
