Tìm lỗi sai 1. Einstein who failed his university entrance exam discovered relativity. 2. The person we talked to was very friendly. 3. The bridge buiding only two years ago has been daclared unsafe. 4. Outside the door was a pair of boots covering in mud. 5. I would like to live in the country which there is plenty of sunshine. 6. Everyone .......... the buiding was searched by the police. A. enter B. entered C. entering D. enters 7. Yesterday was the hottest day ........... remember A. that can B. which can C. which I can D. I can 8. Florida, .......... the Sunshine State, attracts many tourists every year. A. is B. known as C. is known as D. that is known 9. There was little ........ we could do to help her. A. which B. what C. that D. when 10. Is this the address ............. you want the package sent ? A. that B. to that C. to which D. to Giải thích đầy đủ