Find and correct the mistakes:
1. Last night while Nga took a bath, Ba was playing the piano.
2. Sharon is very tired now because she went an eight hours tour to day.
3. He as well as other students have learnt how to install this electric equipment.
4. Did the government do anything to prevent people throw away drink cans?
5. The book writing by Jack Lon Don is very popular in the world.
6. Ba always gets excellent grades because he studies hardly.
7. Mr. Jones is going to collect all the bags and taken them to the garbage dump.
8. There are many occasions for you to express your feelings for others .
9. It was an extremely frightened experience in my life.
10. Frank is usually swimming before work, but this morning he is jogging.
11. Once when I was ten, I used to get sick and went to the hospital.
12. All the children have been returned safe to their parents.
13. In order to not forget things, I put a string around my finger.
14. After dinner Helen will have her younger sister to do the washing up.
