He feels that his health ____ owing to ____ a long walk every other day.
My brother _______ the army two years ago.He has ______ for two years.
_______her boyfriend is?
Hurry! The train ______.You know it_________at 8:30 am.
It is really_______ to take a walk along the peaceful country road.
You must set off at once, ______you would be late for school.