1) For some reason I ____ start the car this morning, so I thought I'd be late for work. a) can't b) couldn't c) mustn't 2) My neighbour helped me, so we _____ jumpstart it and I got to work in time for my morning meeting. a) could b) were allowed to c) managed to 3) We _____ attend the training session tomorrow, otherwise we will jeopardise our promotion prospects. a) have to b) can c) could 4) Using this new technology we ____ increase productivity by up to 15%, so I recommend we implement it ASAP. a) can b) could c) must 5) According to new directives, all members ____ renew their memberships and update their medical records every year. a) can b) could c) must 6) She _____ have carried that heavy box all the way here by herself. I’m sure she had some help. a) didn't have to b) can't c) needn't 7) He’s not usually rude. He ____ just be having a bad day. a) has to b) can c) could

Complete Advanced Un.10 Possibility, ability, obligation

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