IV. Find the mistake then correct it.
1. After turn off the lights, she closed the door and the window.
2. I studied English for six years.
3. Because she stayed up late last night, so she feels tired now.
4. When I came, the whole family is having dinner around the table.
5. A lot of Vietnamese people have the custom to buy sugar cane on New Year’s Eve.
6. While she was dancing, the princess was seeing a witch.
7. I don’t like reading books although it’s boring.
8. The cost of living in the countryside is more low than in the city.
9. In general, putting up a tent is not as difficult than building a house.
10. Harvest is the busiest time of year in the countryside.
11. This cottage is near to the main road than that red one.
12. I prefer read comics in my free time.
13. I think learning languages are very interesting.
14. What place would you like to visit: the mountains or the sea?
15. What is life in a countryside?
16. Under the new regulations, workers have wear protective clothes.
17. When you come to Brazil, you should to tip the waiter 10% of the bill.
18. When we were young, we have to stand in a row to greet guests.