A / an TEST

... equal sum

• a

• an

... new formula

• a

• an

... important message

• a

• an

... avarage income

• a

• an

... stingy mate

• a

• an

... furious lion

• a

• an

... greedy girl

• a

• an

... daily job

• a

• an

... busy week

• a

• an

... expensive trip

• a

• an