2. Giả sử x, y là các biến nguyên (kiểu integer), z là biến kiểu real (thực), a là biến kiểu Char (kiểu kí tự), các câu lệnh nào sau đây không phù hợp? vì sao? x := 3; y:= x; z := 3.3; x := z; Y := 6.8; a:= ‘z’; a:=x; x:=a; y:= ‘z’; y := y + 1; x := y*3 + 2; y – 1 := x; x*y := x+1;

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giúp e với 17. Have you taken notice …………the “NO PARKING!” sign? A. at B. of C. to D. from 18. …………do you think …………the first prize? A. Whom/ will win B. Who/ will win C. Whom/ that will win D. Who/ that wins 19. …………? – Yes, the clock says nine o’clock. A. Is it time to leave B. Is it free time C. Is time long time D. What’s the time 20. Do you mind if I borrow your plate? – …………Do you need only one? A. Not at all B. Yes, I do C. I’m sorry D. Yes, I would 21. How long does it take to get to the supermarket from your house? - ………… A. ten minutes B. About five kilometers C. It’s a short way D. Since yesterday 22. Shall we go out or stay at home? – Which …………do yourself? A. would you rather B. will you rather C. do you rather D. should you rather 23. To whom does English belong? - ………… A. It belongs to the English people. B. It is the private property of Americans. C. It belongs to those who use it. D. All are correct. 24. Would you please …………so loudly? A. don’t speak B. not to speak C. not speak D. to speak not 25. Could I call you by your first name? – Yes, you ………… A. could B. may C. will D. might 26. Hurry up! They’ve only got …………seats left. A. plenty of B. a lot of C. a little D. a few 27. Shall I give the cat a slice of meat? – It’s better ………… A. not to B. not give C. to not D. not to give 28. You are standing too near the stage. Can you move …………? A. a little farther B. a bit far C. a little far D. the farthest 29. …………have you been to Ha Noi? – Several times so far. A. How many times B. How often C. How much time D. How long 30. …………? – Not now, but I used to. A. Do you watch TV very often B. Won’t you have some tea C. Are you going to bed D. Did you enjoy it 31. …………objected to the plan at the meeting yesterday? A. who you think B. Whom do you believe C. Do you know who D. Do you know whom 32. Do you have a dictionary? - ………… A. Yes, I do B. Yes, I have it C. Yes, I own one D. Yes, I certainly have 33. Would you like some more tea? - ………… A. No, thanks B. Yes, thanks C. Yes, please D. No, please 34. What time …………tomorrow? A. does your class begin B. will your class begin C. will be beginning C. is going to begin 35. Would you mind if I close the window? - ………… A. Yes, I wouldn’t mind B. No, don’t close it C. No, please do D. Yes, please close 36. How wide is this street? - ………… A. It’s ten meters in wide B. It’s wide ten meters C. It’s ten meters wide C. It’s in wide ten meters 37. Did your brother go to France? – No, the doctor suggested that he …………there. A. not to go B. won’t go C. not go D. not going 38. Will it rain on the day of our departure? - ………… A. I hope not B. I don’t hope so C. I hope not so D. I hope it wouldn’t 39. Here’s my phone number. – Thanks, I …………you a call if I …………some help. A. will give/ need B. would give/ need C. give/ need D. will give/ will need 40. Is he complaining? - …………, but I don’t care. A. He may be B. He may do so C. So is he D. May he is