— Who’s that boy reading in the garden? Is it David?— It ____________ be David. I saw him in the classroom just now.
We should have _______ in ourselves and we will make it if we have a try.
If I _______ you, I’d buy that coat.
I wish you’d write _______ for us to read it.
-I am going out this evening. -_______. You should finish your English project first.
You used to be quiet, _______ you?