1. It isn’t necessary to do this at all. You ____ switch off your mobile phone on the train., must, don’t have to, 2. It’s OK to do this, but it’s not really necessary. You ____ shut down your laptop at night., must, don’t need to, 3. Doing this is not allowed. You ____ read text messages while driving a car., mustn’t, have to, It wasn’t necessary to do this. In the past, people ____ wear protective clothing at work, mustn’t, didn’t have to, It’s absolutely necessary to do this. In the workplace, accidents ____ be recorded and investigated., don’t need to, must

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이런 식으로 더 많아

Must, mustn't, don't have to
Must, mustn't, don't have to
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문장 완성
have to/don't have to/must/mustn't
have to/don't have to/must/mustn't
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Have to/don't have to/must/mustn't
Have to/don't have to/must/mustn't
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랜덤카드
Have to / don't have to / must / mustn't
Have to / don't have to / must / mustn't
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명칭이 있는 다이어그램
Have to/don't have to/must/mustn't
Have to/don't have to/must/mustn't
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랜덤카드
Modals - Must/Mustn't-Can't/ Have to - Don't have to/Can
Modals - Must/Mustn't-Can't/ Have to - Don't have to/Can
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매치업
Must,mustn’t,don’t have to ,have to
Must,mustn’t,don’t have to ,have to
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Must/mustn't/don't have to
Must/mustn't/don't have to
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