Question

24 Say in which of these sentences must means: a) obligation,
b) probability, c) prohibition.
1. It must be a terrific film if Kate has seen it four times. 2. Sorry, I must
Leave a little earlier today. 3. You mustn't tell anyone about this - it's a secret. 4. Must I take this medicine: it has a bitter taste! 5. They must be
having a wonderful time at the seaside. 6. Kids mustn't get smart aleck with grown-ups. 7. London must be bigger than Paris.
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Answer 1

1. It must be a terrific film if Kate has seen it four times. b) probability

2. Sorry, I must  leave a little earlier today. a) obligation

3. You mustn't tell anyone about this - it's a secret. c) prohibition

4. Must I take this medicine: it has a bitter taste! a) obligation

5. They must be  having a wonderful time at the seaside. b) probability

6. Kids mustn't get smart aleck with grown-ups. c) prohibition

7. London must be bigger than Paris. b) probability