Question

1. Qual o grau de formalidade no texto tirado de uma carta, abaixo:
Dear Mary
How are you? The brochure for our holiday came in the post today and
there's quite a list of rules to help us get the best out of our stay. I'd better tell you about the main ones we've got to
stick to. (...)
A. Formal
B. Informal
C. Semi-formal
D. Formal e informal
E. Todas as alternativas​

Answer 1

C. Semi-formal;

Pela forma como está as palavras não seria formal nem informal e sim Semi-formal.