单项选择题
听下面一段对话，回答第13至第16题。
What kind of families can be possibly chosen as home-stay families（）
A．Good at cooking. B．Close to the school. C．With international background.
单项选择题 What is the man doing now（）
单项选择题 What do the speakers decide to do（）
单项选择题 What’s going to be difficult for the man
