Obligation & Necessity (must/have to) exercises — Set 2: Mustn't vs Don't Have To Exercises (Multiple Choice)
Multiple Choice • 20 questions • 12 min
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You smoke in the hospital. It's strictly forbidden.
Obligation & Necessity (must/have to) exercises online (Multiple Choice)
Master the crucial difference between mustn't (it is prohibited — you cannot do it) and don't have to (it is not necessary — you can choose). Practise must, mustn't, have to, and don't have to in one set — one of the most important distinctions for English learners.