Complete the sentences with words from Exercise 1.1 The cheapest way

Complete the sentences with words from Exercise 1.
1 The cheapest way to travel between cities is
by ... . You can buy your ticket at the bus station.
2 We took our car on the ... when we crossed the
sea from England to France.
3 You can drive at 110 km per hour on the ... , but
not on other roads.
4 My aunt is going on a ... around the
Mediterranean. The ship holds 5,000 people!

Заблаговременно великое спасибо!!!