Building materials C1

When are you going to move that (a)   of clothes in your bedroom?

The old man slowly put a few more (a)   of coal on the dying fire.

We need to redecorate. Look - there are (a)   of paint coming off the walls.

The building is composed of (a)   of concrete held together by metal poles.

When I come back, I don't want to find a single (a)   of dust in here.

How many (a)   of sand do you think there are on this beach?

Eat your sandwich in the kitchen, because I don't want (a)   on my new sofa.

Be careful! I dropped something and there are (a)   of glass all over the floor.

Don't (a)   your mosquito bites or you'll make them worse.

I felt great when the coach (a)   me on the back and said, "Well done".