Exercise: along, through.

1) Go this road to the traffic lights.

2) We went for a walk the river.

3) The train went a very long tunnel.

4) He had to travel a severe snowstorm.

5) We laughed all the show.

6) There are customs control points all the Italian border.

7) Mary is going a stressful situation just now.

8) This money should see us to the next paycheck.

9) The lemur has rings all its tail.

10) Come . I'll introduce you to me friends.