21. I met the man ________ can speak three languages. A.whom ​​B.which ​​C.that ​​​D.who 22. I suggest ________ the doctor before asking the police to settle the matter. A.telephoned ​B.telephone ​​C.telephoning ​D.to telephone 23 Lisa was watching TV______ asleep. A. falling ​​B. fallen ​​C. having fallen ​D. to fall 24 It was in this room ______ the president was killed. A. whom ​​B. which ​​C. who ​​D. that 25 Hardly ________ a word when her son came back. A. could she say ​B. she couldn't say ​C. couldn't she say ​D. she could say 26. Huong went to Hanoi last week. She ____________ there once a few years ago. A. was ​​B. was being ​C. has been ​D. is 27. I don’t study hard enough for the examination. I wish I _______ harder. A. studied ​​B. have studied ​C. study ​D. studies 28. I am a teacher, ________? A. amn’t I ​​B. am I ​​C. aren’t I ​D. aren’t we 29. Everything is expensive here, ________? A. is it ​​B. isn’t it ​C. are they ​D. aren’t they 30. Every body likes to be independent, _______? A. is he ​​B. are they ​C. aren’t they ​D. don’t they