Answer:
Along, behind, between, through, towards, at, to, above, across, under.
Explanation:
1. Maribeth and Dwight were careful as the walked <em><u>along</u></em> the high rock wall
.
This shows the direction or manner of doing the action.
2. They were followed by their two friends who trailed <em><u>behind</u></em>. Shows the position of the two friends.
3. All four arrived at school and Maribeth sat <em><u>between</u></em><em> </em>Luke  and Larry.  indicates the location of where she sat.
4. Just then, Mrs. Beatty, their teacher walked  <em><u>through  </u></em>the door and  into the classroom.  Indicates the act of coming into the class.
5. Maribeth rose from her seat and walked  <em><u>towards  </u></em>her.  Shows the act or direction of her going to the teacher.
6. She smiled and set an apple  <em><u>at </u></em>the teacher's desk.  Indicates the place or location of where she kept the apple.
7. Mrs. Beatty reached  <em><u>to </u></em>a pile of papers and pulled out a  large, gold star.  Shows the act of reaching or direction to get something.
8. Maribeth raced to her chart and, reaching high, placed the gold star  <em><u>above </u></em>her silver star.  Shows the location or position of the star.
9. Maribeth skipped <em><u>across </u></em>the room with a smile on her face.  Shows the act of her moving about the classroom, from one point to another.
10. After school, the four friends threw rocks  <em><u>under</u></em> the bridge. Shows their location.