Correct the errors in the following sentences. Some sentences have no errors. 1. Usually, people live in rural areas are friendly. 2. The polluting air may cause lung cancer. 3. Nuclear weapons should not used in any circumstances. 4. in my opinion, a lecture class is more tired than a discussion class. 5. Children raising in large families usually get along well with others. 6. Many scholars have acknowledged the negative impact of the media. 7. Generally speaking, a lot of people using computers to get updated information. 8. Young children should not permitted to travel by themselves. 9. The president of our country elects every five years. 10. Addicting to the internet, some children feel awkward when talking to others face to face. 11. It is important that foreign language classes be staffed with good teachers. 12. Natural sciences give us insight into the future as well as teaching us about the origin of the world. E đang cần gấp ạ, mng giúp e với