1) 1. Ted's flight from Amsterdam took more than 11 hours. He _____ be exhausted after such a long flight. a) had better b) must c) can 2) The book is optional. My professor said we could read it if we needed extra credit. But we _____ read it if we don't want to. a) cannot b) must not c) don't have to 3) Susan _____ hear the speaker because the crowd was cheering so loudly. a) can't b) might not c) couldn't 4) The television isn't working. It _____ damaged during the move. a) must have been b) must be c) must 5) Kate: ____ hold your breath for more than a minute? Jack: No, I can't. a) Are you able to b) Might you c) Can you 6) You _____ be rich to be a success. Some of the most successful people I know haven't got a penny to their name. a) don't have to b) can't c) shouldn't 7) I've redone this math problem at least twenty times, but my answer is wrong according to the answer key. The answer in the book _____  be wrong! a) must b) have to c) should 8) You _____ worry so much. It doesn't do you any good. Either you get the job, or you don't. If you don't, just apply for another one. Eventually, you will find work. a) shouldn't b) can't c) don't have to 9) You _____be kidding! That can't be true. a) must b) should c) ought to 10) You _____ leave the table once you have finished your meal and politely excused yourself. a) might b) may c) would 11) Jenny's engagement ring is enormous! It _____ a fortune. a) must cost b) must have costed c) must be costing 12) _____ we move into the living room? It's more comfortable in there and there's a beautiful view of the lake. a) Will b) Must c) Shall 13) At first, my boss didn't want to hire Sam. But, because I had previously worked with Sam, I told my boss that he _____ take another look at his resume and reconsider him for the position. a) must b) ought to c) has to 14) You _____ take along some cash. The restaurant may not accept credit cards. a) had better b) has to c) can 15) You _____ forget to pay the rent tomorrow. The landlord is very strict about paying on time. a) mustn't b) don't have to c) couldn't 16) Do you always have to say the first thing that pops into your head. _____ you think once in a while before you speak? a) Can not b) Don't can c) Can't 17) Terry and Frank said they would come over right after work, so they _____ be here by 6:00. a) can b) have to c) should 18) Yesterday, I _____ cram all day for my French final. I didn't get to sleep until after midnight. a) had to b) must c) should 19) We _____ no longer suffer the injustice of oppression! Freedom shall be ours! a) would b) shall c) might 20) If I had gone to the University of Miami, I _____ participated in their Spanish immersion program. a) could be b) could have c) could 21) The lamp _____ be broken. Maybe the light bulb just burned out. a) could not b) might not c) must not 22) You _____ the floor but thank you anyway. a) needn't have mopped b) didn't have to c) needn't mop

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