Выберете правильный ответ:
1) How much is the bus _________ to Skolkovo from Moscow ?
a) fee
b) fare
c) price
d) cost
2) It took ages to cross the _________ from Russia to China.
a) edge
b) border
c) line
d) boundary
3) It’s important to book a ticket in _________.
a) before
b) forward
c) ahead
d) advance
4) What’s the _________ between Moscow and Kiev?
a) space
b) distance
c) length
d) gap