5. The best thing for you to do is to practise writing English every day. (should)
è _______________________________________________________________.
6. Stop making annoying noises after 11 p.m. (mustn’t)
è _______________________________________________________________.
7. It is advisable for her to buy a car. (should)
è _______________________________________________________________.
8. You are not allowed to take pictures in the museum, (mustn’t)
è _______________________________________________________________.