Being physically examined for free twice a year is what every clerk _____ be ensured in any company of the state. [ ]

I always do all the cleaning __ on Sunday.

If we________ other people’s love and trust in us, we will be cast aside by others one day.[ ]

Having ________ every night is very important for your health.

.Mary was _________ the letter from Tom,but it didn’t reach her for some reason.