Fill in the gaps with by or with.

5 Fill in the gaps with by or with.

1 The national park was opened by the government.

2 The hill was covered with forest.

3 The panda's bowl was filled with bamboo shoots.

4 A fish's body is covered with scales.

5 Cleland Wildlife Park is surrounded by tall trees.

6 The top of the mountain was covered with snow.

7 Last weekend, the turtle nests on the beach were counted by science students.

8 The trees were cut down with a saw.