You __ finish your homework now. You can always do it after dinner16. You __ finish your homework now. You can always do it after dinner. A. couldn’t B. mustn’t C. don’t have to D. shouldn’t 17. Sam __ his collection. I can imagine his wife’s anger if he does. A. may have to sell B. may have sold C. could have sold. D. must have sold 18. __ I post that letter for you on the way to the office? A. Would B. Will C. Do D. Shall 19. “Shall I tell John about it?” “No, you __ I’ve told him already. ” A. needn’t B. wouldn’t C. mustn’t D. shouldn’t 20. “Do you need this paintbrush?” “Ah, yes. __ it to me, please?” A. Do you pass B. Will you pass C. Are you passing D. Are you going to pass 21. You’re going to set up the equipment in a minute. __ give you a hand? A. Shall I B. Will I C. Would I D. Do I 22. “ __ you hand that book, please?” “Sure. Here it is. ” A. Would B. Should C. Must D. May 23. “Are these gloves necessary?” “Yes. You __ use this chemical without gloves. It will burn your skin. ” A. must not B. don’t have to C. could not D. need not 24. You __ so fast, or you might have an accident. A. don’t have to drive B. shouldn’t have driven C. had better not drive D. mustn’t have driven 25. When you have a small child in the house, you __ leave small objects lying around. Such objects __ be swallowed, causing serious injury or even death. A. needn’t - may B. should not - might C. should - must D. mustn’t - can’t 26. Yesterday I ___ finish my geography project. A. must B. mustn’t C. have to D. had to 27. All employees ___ be late for work. A. must B. mustn’t C. have to D. don’t have to 28. If you are under 13, you ___ get your parents' permission. A. must B. mustn’t C. don’t have to D. have to 29. We ___ forget to keep the vegetables in the fridge or else they’ll be rotten. A. mustn’t B. must C. have to D. don’t have to 30. Bicyclists ___ remember to signal when they turn. A. must B. mustn’t C. don’t have to D. had to |