20. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. He works very __________, so he often gets good marks. A. carelessly B. careful C. hard D. hardly 21. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. Ha Noi is __________ capital of Vietnam. A. a B. an C. the D. this 22. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. Look! The birds __________ in the sky. A. flying B. are flying C. is flying D. fly 23. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. “Thank you for helping me to clean up today. ” A. OK, right B. You’re welcome C. No, don’t worry D. Yes, thank you 24. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. How many English lessons ___________ you _________ a week? A. did/have B. do/do C. do/have D. do/has 25. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. At 8 o’clock this morning, he ____________ a piano lesson. A. is having B. was having C. had D. has 26. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. ____________ butter do they need? A. How many B. How much C. How far D. How 27. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. Mary is talking to you. Please listen to ___________. A. her B. him C. she D. he 28. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. Mike ________ for that company for 12 years. He started working there in 1998. A. worked B. have worked C. works D. has worked 29. Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. You can use two of these to pick up the food when eating. A. fork B. chopstick C. forks D. chopsticks