Explain the words/phrases in bold. Use some in the correct form to complete the sentences. 1. You mustn't be rude to your teachers. You should ..... them. 2. Lucy gave her parents a ..... and then went to bed. 3. Being impolite to others is not ..... behaviour. 4. Apart from the ....., he didn't know anyone at the party. 5. She kissed her daughter on the ..... before she left for work.