3. Correct the mistakes:
1. The helicopter flew along the mountain.
2. The book fell out of the shelf.
3. The dog jumped under the box.
4. Tim can swim over the river.
!
5. Liz went into the park.


Answer :

1) the helicopter flew OVER the mountain.
2) the book fell out of A shelf
3) the dog jumped OVER the box
4) Tim can swim IN the river
5) Liz went TO the park