—David is often absent from class.—Tell him he ________ answer for it if he goes on behaving like that.

------Thank you very much for giving me a hand when I was in trouble.------Don’t mention it. I only did what anyone else _______ in my place.

-- Look at the boy running on the ground. Is it David?-- It _______ be him. I saw him go to the teacher’s office just now.

You _______have a wrong number. There’s no Mr Johnson here.

Miss Li regards all her students _______ her children.