IV. Find and correct the mistakes.
1. It takes Huy three hours doing his homework every day.………….……………
2. My sister teach English at a school in the countryside. …………………………
3. How many rice do you need? – Two kilos of rice.. ………….……….…………
4. He used to swimming long distances. ………………………………………..…
5. How far is it from Ha Noi in Ho Chi Minh City? ………………………………