Tìm lỗi sai và chữa
1.The king's biodiesel oil project was first to inttroduce in 2021
2.Lifc without computers has seemed simply impossible now
3.Vaccination has been used for a long time for prevent diseases
4.Many young people now use computers for playing games rather than study
5.Since the Internet was first created in the 1960s, its changed people's lives a lot
6.Many teenagers now prefer chatting on computer to meet face to face
1 to introduce => introduced
2 has seemed => seems
3 for => to
4 study =>studying
5 changed => has changed
6 meet => meeting