16. Has Mike left for work yet?
17. Have they paid their electric bill this month?
18. How long have you known each other?
19. Your car is making strange noises. Is anything wrong?
20. The boy has done his homework and is taking a karate lesson now.
21. I'm having dinner with my friends at the moment and I am very happy to see them again.
22. Jay's never travelled overseas.
23. We've always had a dog and a cat. We love pets.
24. Larry has never owned a sportscar.
16. Has Mike left for work yet?
17. Have they paid their electric bill this month?
18. How long have you known each other?
19. Your car is making strange noises. Is anything wrong?
20. The boy has done his homework and is taking a karate lesson now.
21. I'm having dinner with my friends at the moment and I am very happy to see them again.
22. Jay's never travelled overseas.
23. We've always had a dog and a cat. We love pets.
24. Larry has never owned a sportscar.