---What a big box! Can I help you?
---No, thanks.There’s ________in it.It’s empty.
--- Would you like to watch the basketball match with us now?
--- ________. But I have to finish my homework first.
---________ do you like your P. E. teacher?
---He's funny.
---Why do you like art?
---Because it is ________.
---Do you mind if I ask you a question?
---________.
--It's kind ________ you to come to see me.
--It's a pleasure. You were so kind ________ me.
---Are you ________ tomorrow?Would you like to go to see a movie with me?
---Sorry, I’m ________.I have many things ________.
--- Is your father ________ forty years old?
--- Yes, he is forty-three.