D) Fill in the blanks with ALREADY or YET:
1. He hasn’t called us ……………………………… .
2. They have ………………………………… sent the letter.
3. John has ……………………………… bought the tickets for the football match.
4. We have ……………………………….. been to Mexico three times.
5. You haven’t visited Tokyo ………………………………… .
6. Has John bought a new car ………………………………….. ?
7. The plane has …………………………… left.
8. Has she done it …………………………….. ? No, not …………………………. .
9. A: Haven’t they arrived ………………………………. ?
B: Oh, yes. They have ………………………………… arrived.
10. Hurry up! The class has ……………………………… started.
11. Be careful! They have ………………………………… painted the door.
12. Haven’t you read the book ……………………………….