Question

He ....his job a couple of years ago (quit)​

Answer 1

The answer is quited

Answer 2

He had quit his job a couple of years ago

• The sentence is in the past tense. The term had is a verb, and the past tense of have.
• It refers to a situation that might have happened or the probability of it.
• For example - Had Tom worked harder, he could have passed her exam.
• In the given sentence, the person had left the job some years ago.
• Thus, the correct sentence is - He had quit his job a couple of years ago