Li Xing’s illness(病) is very_____. You must take his illness ______.
--How often do you watch TV, Tom? --_______________.
—_______________? -- I have a fever.
—______do you write to your parents? -- Twice a month.
As for _____homework, we do ________homework every day.
The boy can speak English well, _____he’s only ____eight-year-old boy.