— Who’s that boy reading in the garden? Is it David?— It ____________ be David. I saw him in the classroom just now.
---Mum, have you seen my mobile phone? ---_______ you bought last week? I’m afraid I haven’t seen _______.
--- Bill, can I get you anything to drink? --- _________.
---Mum, could you buy me a dress like this? --Certainly, we can buy _______ one than this, but ________ this.
What way can you think of ______ the mice in the room?
---Would you like to drink some orange juice? --- Thanks. , but I have drunk a lot of tea.