Fill in the blanks:
1) When you arrive , yoy (travel) ___for two days.
2) When the war(break out)____,Mr Bhatnagar(work)_____as a teacher for twenty years.

For the first sentence the answer would be in the present tense because as per the grammar rules we use present tense with the present tense so we will use travel here And for the next sentence the answer would be When the war broke out Mr Bhatnagar had worked as a teacher for 20 years We generally use had in the beginning of a statement or usually when one incident took place before another hear Heya Mr Bhatnagar had served as a teacher for 20 years that incident took place before Before the war broke out