Англиский 2 класс артикл а an.What's this it's ..bag.What's this ..orange.What's this ..book.What's this ..it's apple.And what's this ..it's pencil case

What's this? it's a bag.

What's this?  an orange.

What's this? it's a book.

What's this? it's an apple.

What's this? it's a pencil case.

Объяснение:

A- когда слово начинается на согласную.

Аn- когда на гласную.