If we don’t protect the Earth, more and more wild animals will die out.A. appear quicklyB. disappear completelyC. stay healthy
Linda with his father often _________ the zoo to see the animal.
Is this ________ elephant or _______ lion?
Let’s play tennis!—. I need to go to school today.
—What’s favorite subject? —My favorite subject is math.
Bob's mother is my aunt. He is my ______