Choose the correct options to complete the sentences

There [is|are][a|some] pair of jeans on the sofa.

There [is|are][a|some] bananas in the fridge.

There [is|are][a|some] trees in the yard.

There [is|are][a|some] towel in the bathroom.

There [is|are][a|some] rug on the floor.

There [is|are][a|some] cups in the cupboard.

There [is|are][a|some] tea in the teapot.

There [is|are][a|some] notebook in my bag.