Question

Ex.3. Complete the sentences with should/shouldn't, must/mustn't 1. You 2. You smoke so much. It's bad for your health. swim in that river. It's full of crocodiles. eat many sweets. 3. You 4. I think you take part in a sport to keep fit.​

Answer 1

1)shouldn’t
2)mustn’t
3)shouldn’t
4)should