Question

How Long had bepin choudhurg been writing in that
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Answer 1

Answer:

The author has described Bepin Babu as a serious and hardworking man. He worked daily in his office. It was a big firm and he was doing a responsible job. He had been with the firm for twenty-five years. He had a reputation for being a tireless, conscientious worker.

Answer 2

Explanation:

Present perfect tense is usual with already, so far,not yet, ever, never etc. It is not ... All Bepin Babu had to do was write to — no, there was.