Question

usar (a)ou (an) quando necessário
(a)Paul is architect.
(b)Olivia is architect.
(c)Mr Taylo is excellent bank manager.
(d)Ms.Thompson is good engineer.
(e)Paula is cook,and Carlos is waiter in that restaurant ​

Answer 1

a) Paul is an architect.

b) Olivia is an architect.

c) Mr. Taylor is an excellent bank manager

d) Ms. Thompson is a good engineer.

e) Paula is a cook, and Carlos is a waiter in that restaurant.

Explicação:

Em geral usa-se "an" antes de palavras iniciadas por vogais e "a" antes de palavras iniciadas por consoantes.

OBS: Atente-se às exceções, pois sim, elas existem.

Bons estudos !!