Prepositions of time, Countable / uncountable nouns

There is _____ milk in the fridge

Is there ____ tomatoes for the salad?

There ____ some butter on the plate.

How ____ is this book?

Ann hasn't got _____ sandwiches in her lunchbox.

There are ____ pears and ___ apple in the bag.

My brother has a new job. He works __ night

We are going to have a picnic ___ Sunday.

We must meet ___ 2 o'clock.

Are you going to do anything special ____ your birthday?

We have got holidays ___ July.

Ann likes going fishing ___ weekends.