Ex3.Find a mistake in each of the following sentences and correct it. 1. Some flowers bought for his mother on her birthday yesterday. 2. A new high school builds in our town next year. 3. Tickets for the football match sold at the ticket booth. 4. Huong Pagoda Festival visited by thousands of tourists during the first three months of the Lunar Year. 5. Our school names after a great scholar of our country - Le Quy Don. 6. My Son Sanctuary located in Duy Xuyen District,Quang Nam Province. 7. The Ss in that university teach by famous professors and lectures. 8. The first Doctors’ stone tablets erected by King Le Thanh Tong. 9. The students of the Imperial Academy select carefully from local examinations all over the country. 10. Harvard considers the oldest university in the USA.