Question

BASEADO NOS EXEMPLOS COMPLETE A DEFINIÇÃO DE 'SINCE' E 'FOR'.

1- SlideShare has been available ''for'' several years
2- Wikipedia has been available ''since'' 2001.
a- When we want to refer to a period of time, we use ……………., as in example 1. b- When we want to refer to a pointe in time , we use …………………, as in example 2.

Answer 1

Resposta:

a- for

b- since

Explicação: