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” 與 “ 聽!她正在她的房間里大聲唱歌。 ” 表明露茜不可能正在遛狗,因此這里需要用 can’t(不可能 )來表示否定推測。 ? 【 答案 】 A ? ( )1.—May I use your iPad now, Paul? ? —Sorry, you ________. I’m using it to look up something now. ? A. needn’t B. can’t ? C. shouldn’t D. don’t ? ( ) when the traffic lights turn red. ? A. can’t B. may ? C. must D. needn’t B C ? ( )3.(2022德陽 )Jack ________ be at home because I saw him in the library just now. ? A. can’t B. may ? C. must D. mustn’t ? ( ) ________ offer our seats to the old on the bus or subway. ? A. can B. may ? C. would D. should A D ? ( ) fish ________ be very delicious, because I can smell its nice smell. ? A. may B. might ? C. could D. must ? ( )6.—Could I park my car here, sir? ? —No, you ________. Look at the sign “No parking”. ? A. can’t B. couldn’t ? C. don’t D. won’t D A