— Is your father or mother a teachers? —            . My father is a doctor and my mother is an office worker.

-Is there any milk in the fridge?  -Sorry, there’s          left in it.

I’m moving to the countryside because the air there is much fresher than ________ in the city.

–Hurry up! There’s a bus coming! –Why run? There will be _____ one in two or three minutes. 

Usually what weighs us down are not the burdens of life, but how we handle _______ .