Mark the letter A, B, C or D on your answer sheet to indicate the UNDERLINED part that needs correction in each of the following questions. 1. We are having English lessons on Tuesday and Friday. A B C D 2. Who does play music upstairs? It's really noisy. A B C D 3. Where is Phong? - I think he reads in the library. A B C D 4. There are two bookshelf in my sister's bedroom. A B C D 5. I can see there is a vase behind of the light. A B C D 6. His sister is white teeth and long black hair. A B C D 7. Should we asking for the way to the railway station? A B C D 8. Take the one left and the market is on your right. A B C D 9. Ho Chi Minh City is much crowdeder than Da Nang City. A B C D 10. You mustn't take off your shoes before entering this room. A B C D ai giúp mk câu này với ah^^