1) I think you __________ talk it over with your parents. a) ought to b) need c) would 2) Do you ___________ use the photocopier? a) must b) need to c) need 3) You ________ better stay at home. a) need b) would c) had 4) You ___________ leave the room before the end of the test.  a) shall b) mustn't c) oughtn't 5) Try as I __________, I could not pass my driving test. a) can b) might c) could 6) She might ______________ received our proposal yet. a) not have b) not has c) haven't 7) You __________ have bought so much food. The fridge is full. a) mustn't b) needn't c) couldn't 8) You _________ have drowned! a) should b) might c) must 9) He _________ have forgotten about our party as he isn't here yet. a) can b) ought c) must 10) As it was a holiday I ___________ to work yesterday.  a) didn't need to go b) needn't have gone c) might not have gone 11) David _________ have won the race if he had tried. a) must b) should c) could 12) She __________ have gone to the party with her friends but she decided not to. a) could b) must c) can

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