单项选择题
A. They can’t afford to buy a house. B. They haven’t got their children yet. C. They have to look after their parents. D. They are used to living with their parents.
A. made B. taken C. found D. given
A. as much as 8, 116 dollars B. no more than 720 dollars C. less than the average annual income D. the same as the average annual income