Question

binay reached the school. all the other students of his class were present at that time (Use Adverb Clause)​

Answer 1

Answer:

when all the other students of his class were present, Bina reached the school

or

Binay reached the school when all the other students of his class were present

Answer 2

Answer:

Binay reached the school. all the other students of his class were present at that time.

----------> Binay reached the school when all the other students of his class were present at that time.

OR

----------> All the other students of his class were present at that time when Binay reached the school.

Explanation:

Hope it will help you.