Now the air in Yancheng is _______ than it used to be . Something must be done to stop it .
–What would you like to drink? --I like tea ____ milk in it.
--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.