Find and correct the mistake 1 The students ought to learn their lesson careful before the exams 2. Don't worry so much. The children can look after themself 3.You must not let children to play in the kitchen because it is a dangerous play 4. let 's putting the armchair opposite the couch in the living room 6. It takes me two hours to do all the household chore every day
1. careful -> carefully
2. themself -> themselves
3. to play -> play
4. putting -> put
5. chore -> chores