Passage Two
30.
A. Fruit, water and insects.
B. Plants and water.
C. High plants and food.
D. Plants and food.
31.
A. Tall enough for them to build nests.
B. Short so that birds can find.
C. It doesn't matter since all birds like both.
D. It depends on the kind of bird.
32.
A. To give them fruits.
B. To provide water.
C. To plant flowers.
D. To keep pets.
