一、单项选择：（20分）
( )1. I saw ________ elephant in the zoo yesterday. It was my first time to see ________biggest animal on land.
A. an; a B. an; the C. the; a D. a; the
( )2.—I read a book about wild animals today. Some of them are in danger now. —___________.
A. Not at all B. I’m afraid
C. I’m sorry to hear that D. It doesn’t matter
( )3. Bees always remember ________ back the same way as they went.
A. to come B. came C. coming D. come
