Don’t worry about ________. He can do it well by himself. 

---_________do you write a letter to your father?--- I seldom or never do that now. Instead, I call or e-mail him almost every day.

The boys often play _____ football in _____ afternoon.

There is________ milk in the bottle. Let’s go and buy some.

．--_________ will your parents come back to Shanghai?--Maybe in a month.