Question

Sam has been working there … three years. A) since B) from C) for D) after

Answer 1

C) for

Точно правильно

Answer 2

Ответ:

С) for

Объяснение:

ставимо for, коли мова йде про відрізок часу, since, коли про початок дії,

Answer 3

The correct answer is C) for.

So the sentence would be: "Sam has been working there for three years."