How old is your son? — Five.—We will have a special party for his birthday .

Can you guess the new Fox coat? —Yes. Maybe he asked his grandpa to pay for it.

The letter____Tommy received from his company yesterday is very important.

We play sports on school days. You know, we don’t have enough time and have to do lots of homework.

Please give me ________envelope, I want to write a letter to my father.