If ________ guests we have, we would need ___ food.

- A lovely day, isn’t it?-- Yes. I love        when the weather is like this. Why not have our lunch outside?

We have been looking at houses but haven’t found _______ we like yet.

I always think that while we are in the world,we should try         .

I wanted to buy a copy of The Youth, but there was _______ left in the bookshop. _______has just bought the last one.