1. Trains are (comfortable) than coaches but coaches are (cheap) than trains
2. Travelling by plane is (enjoyable) but hiking (useful).
3. The underground is (fast) than trams but motorbikes are (slow) than cars,
4. Water transport is (ancient) form of transport and ecological transport is
(modern) transport

1. Has he bought a new bike? He hans't bought a new bike.
2. Have I sent a letter to my friend? I haven't sent a letter to my friend.
3. Has she made a very bad mistake? She hasn't made a very bad mistake.
4. Have the children gone to bed? The children haven't gone to bed.
5. Have I seen a mouse in the kitchen? I haven't seen a mouse in the kitcen.
6. Have we met our business partners? We hanven't met our business partners.
7. Have I lost my student identity card? I havent' lost my student identity card.
8. Have they cleaned their rooms? They haven't  cleaned their rooms.
9. Have the tourists visited the National Gallery? The tourists haven't visited the National Gallery.
10. Has the teacher checked our tests? The teacher hasn't cheked our tests.
11. Has Harry broked his car? Harry hasn't broken his car.
12. Have I forgotten his phone number? I haven't forgotten his phone numer.
13. Have they left for Rome? They haven't left for Rome.
14. Has Mary seen this film? Mary hans't seen this film.
15. Have we read this detective story? We haven't read this detective story.
16. Has he taken my credit card? He hasn't taken my credit card.

Miley cyrus famous american actress and singer. she became famous for her role in the tv series "hannah montana." her father is a musician. miley have a big family. also, her beautiful blue eyes. she is slim. three years ago, she changed her image. he became a rebel. indecent behaving on stage. now she is a scandalous person. but it is good. lists lot of money to charity. перевод : майли сайрус знаменитая американская актриса и певица. она прославилась роли в сериале "ханна монтана". её отец музыкант. у майли большая семья. также у неё красивые голубые глаза. она стройная. три года назад она поменяла образ. стала бунтаркой. и неприлично ведёт себя на сцене. сейчас она скандальная личность. но она добрая. перечисляет много денег на благотворительность.