单项选择题
The children on the large farms far away （）
A．always went to school together B．could have lessons on the radios C．listened to teachers at school D．built radio schools with teachers
单项选择题 The best title of this passage is （）
单项选择题 Which of the following is NOT TRUE in the passage（）
单项选择题 The word "sick" in the second paragraph means （）
