Complete the words. The first letters are given.
1 . In towns and cities, it's safer to walk on the s__
2 You can cross the street at the c___
3 Is there a t_____ c____ I can put this empty bottle in?
4 The street was very dark because there were no s_____
5 We drove through a long t_________ under the river.
6 Let's sit on this b________
to eat our sandwiches.