Based on the options, the most logical is D:)
1. Must Go to bed early.must not stay up late.
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2. Must Be polite.must not be rude
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3. Must not wear jeans. Must Wear smart clothes
4. Must Put your mobile on silent.must not disturb people on the train
5. Must Take off your shoes.must not make the carpet dirty
6.must not jump the queue.must Wait for your turn
Answer:
I only saw Russian I must be blind or sum