Complete as frases com o verbo to be na forma contraída de acordo com a alternativa correta.
(Complete the sentences with the verb to be in the contracted form according to the correct alternative.)

They ______ in the garden.
She _______ at home.
We ________ happy
I __________ hungry.

a) ´re - ´s - ´re - ´m
b) ´m - ´re - ´s - ´re
c) ´s - ´m - ´re - ´re
d) ´re - ´re - ´s - ´m​