Who do you suppose _________ turn to for help?

Doctors strongly recommended that my father         more exercise regularly instead of sitting still before a computer all day long.          

There  was  a man  crying  over there．He _______ himself．

- Mum, I failed to catch the train. - If you __________ at the station ten minutes earlier, you could have caught it.

—The contest is so easy, but you fail to pass it．—I’m sorry it ______ be this way．