30 баллов! Помогите написать предложения со словами: 1.polite 2. modern 3. firstly 4. useless 5. happy 6. to forget 7. unrelated. Заранее спасибо!

1.Children should be polite with older.2.Modern books are very interesting3.I think the first thing is to love parents.4.It is useless to lie if you know that the truth is still learn5.Today I watched the movie and there was a happy ending.6.Do not forget to write lessons.7.The text is always linked words and sentences.