Ex1: Tìm và sửa lỗi sai
1) The tanker has drowned  and the oil on the beaches has destroyed much of the wild life
2) Jane has vểy pale skin and she has to spend quite a number of days under the sun in order to get a suntan
3)Bomb disposal experts were able to detonate the bomb before it could cause any damages
4)The fat cats which own the business are among the wealthiest people in the country, but the workers are very pooly paid 
5) You would be better having a walk in the fresh air rather than spending hours to walk on the treadmill in the gym