Question

Observe as palavras abaixo e complete as lacunas com "A" ou "AN"

1- THIS IS ................ BLACKBOARD
2- THIS IS ................ CHURCH
3-THIS IS ................ CLOWN
4-THIS IS ................ GOOD BOY
5-THIS IS ................ HOSPITAL

Answer 1

1- THIS IS A BLACKBOARD
2- THIS IS AN CHURCH
3-THIS IS A CLOWN
4-THIS IS AN GOOD BOY
5-THIS IS AN HOSPITAL

Answer 2

From 1 to 5, A.

You only use an when the next word has a vowel sound.