Question

Give advice wth should or schouldn't
1.They....(leave )now.They 're late for chool
2.We .... (pollute) the beach.We.... (take)our rubbish home
3.She's very tired.She ....(go) to bed
4. He was rude to me . He .....(say) sorry
5.You......(waste) water .Have a shower , not a bath

Answer 1

1.They should leave (leave )now.They 're late for chool 
2.We shouldn't pollute(pollute) the beach.We should take (take)our rubbish home
3.She's very tired.She should go(go) to bed 
4. He was rude to me . He should say(say) sorry
5.You shouldn't waste (waste) water .Have a shower , not a bath