tìm và sửa lỗi sai
1. my friend has a short brown hair and an oval face
2. because Nga is very keen on the school's singing competition, she is taking part on it tomorrow
3. I have an important maths exam tomorrow afternoon, so I do a lot of maths
4. the painting competition will strart at his school on the 17th of October
5. my dog has a long tail, big eyes and a yellow fur
1. my friend has a->bỏ short brown hair and an oval face
2. because Nga is very keen on the school's singing competition, she is taking part on->in it tomorrow
3. I have an important maths exam tomorrow afternoon, so I do a lot of maths*thiếu đề à cậu?*
4. the painting competition will strart->start at his school on the 17th of October
5. my dog has a long tail, big eyes and a->bỏ yellow fur