I have done my homework.
I have just bought a ticket.
Have you ever been to London?
I have already read the book.
I have not seen this film yet.
минусы : находишься вдали от дома/родных/близких
Так я тебе немного помогу did это прошедшие время
Turn on- включить, turn off- выключить.
1. Turn off
2.Turn on
3.Turn off
4. Turn on