1．The trees and the mountains made the l________ very beautiful.
答案：landscape
2．I like the natural beauty of this vast c________.
答案：continent
3．Last summer vacation I went h________ on a mountain with my friends.
答案：hiking
4．Are you the driver of this v________？
答案：vehicle
5．The hill appeared as a black m________ in the distance.
答案：mass
