【正文】
_ stay at home. A. may well B. might be well C. might very well D. might as well didn39。情態(tài)動詞 ____ change water into a gas, but we ___ first heat it to its boiling point. A. must, can B. may, needn39。t see her at the meeting yesterday. She ____ it. A. can39。t attended the story be true? I hardly believe it. A. May B. Would C. Must D. Should 10. Need I do it once more? ________. A. Yes, you need B. Yes, you must C. No, You mustn39。t. Whose ____ it be? A. must B. can C. would D. will 14. Put on more clothes. You ___ be feeling cold with only a shirt on. A. can B. could C. should D. must 15. Tom wants me to play truant this afternoon with him, but I ____ do so. A. dared not to B. didn39。t careful enough. A. were able to pass B. could have passed C. must have passed D. could be able to pass 31. I thought you ___ like something to read, so I have brought you some books. A. may B. might C. could D. must 32. I talked about it with my friends Tom and Bill. Neither of them ___ suggest anything. A. may B. might C. need D. could 33. May I smoke here? ______. A. Yes, you must B. Yes, you do C. No, you needn39。t C. may not to D. don39。t 36. Hurry up. He ____ for us at the railway