Fill in the blanks with ,,so as to,, ,,so as not,, or ,,so that,,

1. People on bicycles should wear orange coats..........drivers can see them in the dark.
2. The test questions are kept secret........prevent cheating.
3. We ran to the station...........miss the train.
4. He did behind the door.........his father couldn t see him.
5. Paul often goes to bed early........get plenty for sleep.
6. She worked hard.......fail her exams again.
7. I phoned her..........see if she was fine.
8. She came home early ........have problems with her parents.
9. Her husband have her money.......she would buy a pair of shoes.
10. He takes an hour s walk every morning.......keep slim.