Question

We can go ahead with the new project _____ we get the OK from head office.

1 - unless
2 - whether
3 - providing
4 - as far as

Answer 1

Resposta:

3 - providing

We can go ahead with the new project providing we get the OK from head office.

Explicação:

providing - contanto que

unless - a menos que

as far as - tão longe quanto

whether - se

Answer 2

complete a frase com o número 2 whether