. Choose the correct preposition to comeplete the sentences.
1.lt't more espensive but quicker to go________plane. ( in/ on / by )
2. lt takes about 30 minutes__________foot , or 5 minutes by car. ( by / with / on )
3.l will be waiting for you when you arrive__________the airport. ( at / to / from )
4.The price _________fuel will increase in a short time. ( for / in of )
5. You must fasten your seat belt__________a phane before it takes off.( by / on / above )
6. What is the best transport method___________the future? ( of / at / for )
7.Her future house will be in the countryside_____________a garden. ( in / of / with )
8______________my opinion , intelligent bikes will be the most common. ( lt / on / of )