помогите пожалуйста 9 класс

1. I (to sit) in an armchair and (to think) of rny coming trip across the North Sea when the door suddenly (to open) and an old friend of mine whom I (not to see) for a very long time (to enter) the room. 2. She (to come) to see us just at the time when we (to have) dinner. It (to be) the first time I (to see) her. 3. I (to see) him just as he (to leave) the hotel. 4. I (not to see) him before we (to meet) at the concert. 5. He (to leave) the house before I (to have) time to ask him anything. 6. He (to tell) me he (to learn) it from the newspaper. 7. He (to enter) the room, (to take) something from the desk and (to go) out. 8. There (to be) two men in the room. One of them (to write) something while the other (to read) a newspaper. 9. He (not to tell) me that he (to receive) a telegram from her. 10. I (to ask) him if he (to know) where she (to live). I (to say) I (not to know) her address. 11. He (to ask) me if I (can) give him your address. 12. She (to say) that he (to give) her the wrong address. 13. I (to ask) him where he (to put) my letter. 14. He (to tell) us that they (to spend) all the money. 15. After spending several days in Paris he (to feel) lonely and (to want) to return home. 16. I (to think) he already (to go) home. 17. I (to find) the old man in the garden. He (to talk) to some children who (to stand) around listening to him. 18. He (to speak) a language we never (to hear) before.

Нужно ответить на вопросы.Австралия и США
Where is (Австралия и США) located?
What mainland does (Австралия и США)?
What oceans and does (Австралия и США) washed by?
What mountains do you knov in (Австралия и США)?
Are there any rivers in (Австралия и США)?
По учебнику Кузовлева 10-11 класс стр.340.Ребятки помогите пожалуйста