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. should to take B. might to take C. ought to take D. need to take 16. She is studying medical science now but she _________ a lawyer. A. used to be B. would be C. were D. had been 17. If you were in an Englishspeaking country, you, too, _________ English every day. A. will be used to speak B. will be used to speaking C. must be used to speak D. would be used to speaking 18. I did not call to make my airline reservation (預(yù)訂 ) but I _________. A. should have B, may have C. must have D. shall have 19. As a girl, she _________ get up at six every day. A. would B. will C. might D. should 20. Don39。t C. mustn39。t, might C. shouldn39。t. A. should have told B. would have told C. must have told D. should tell 30. The teacher told the students that they ________ keep silent in class all the time. A. ought to not B. ought not to C. ought not to have D. can39。t D. won39。t D. needn39。t want to. A. may not B. can39。t B. needn39。t, must 27. ________ you mind my opening the window? Not at all. A. Shall B. Should C. Will D. Would 28. I didn39。t 22. ________ you succeed ! A. Can B. May C. Must D. Will 23. Did he need ________ then? A. leave B. to leave C. leaving D. left 24. Do you think if he dares _________ in public? A. speak B. speaking C. to speak D. spoken 25. He ________ eating American food since he came here. A. used to B. has been used C. has