II. Complete the sentences, using SINCE/ FOR/ ALREADY/ NEVER/ YET.
1. She has been in London _________ Monday.
2. We’ve been in Paris _________ four days.
3. They have _________ finished all their homework.
4. She has _________ been to Paris before and this is the first time of her.
5. Mike has been ill _________ a long time.
6. My aunt has lived in Australia _________ 15 years.
7. Have you done your environmental project _________?
8. They have _________ prepared for their trip this weekend.
9. India has been an independent country _________ 1947.
10. Joe hasn’t come _________