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.

Are you going to buy a camera? —–Yes. But there are so many kinds that I can’t decide __________ to buy.

Would you mind if I turned down the tape recorder a little?—______.

They’re going to go to a football match ______ Saturday afternoon. [ ]

We will finish the picture a day.[ ]