Tìm lỗi sai và sửa lại cho đúng: -We work very hardly but we have fun working together. -I think you have few vacations than American students. -We don't have classes on Saturday, but we work one hour much each day. -We don't have Tet holiday, but we celebrate the New Year in January 1st. -What do you like do during your vacations? -My father work five days per week for about 40 hours. -I want write to my friends overseas and tell hem about VN. -How many change does he receive? -I would to send this letter to Canada. -How much do an airmail letter to Canada cost? -It takes me to Da Nang three hours to get by coach. -They write each other regularly. -She doesn't have some friends in HN. -These papayas aren't ripe. -Neither the bananas are. -I like apples . -I like apples, either. -Some students talking about the world news. -Can you be free tomorrow? -How much do an airmail letter to Australia? -What about to go to the movies? -There are a little empty apartment near here.