1、一，请正确选择选择 a 或 an 填写pen bagapple big applebanana orangehour house umbrella university 二，尝试用 a/an 填空：Is it Chinese book or English book?This is ring, and it is orange ring.Mary is English teacher. Tom is Chinese teacher.This is bike. Its old bike.This is telephone number.That is ID card.I lost my keys
2、. Its set of keys.Its apple, not pear.This is peach. Thats orange.You have banana, but I have egg.三，请学会用 a/anIs there umbrella on the desk?There is island in the sea.There is picture on the card.I have old book. apple is a kind of fruit.There is armchair in the living room.Id like egg.Look, there is
3、 bird in the tree.Is there map on the wall?There is bench in the park.四，加强练习 a/an 用法1. This is _ insect.2. Is that _ apple?3. She is _ teacher.4. My father is _ worker.(工人)5. Whats this?Its_ orange.6. I have（有）_ sweet apple.7. Look, Its_ elephant.Its _ big elephant.8. May I have pizza? Here you are.9. I can see _ old man.He is _ tall man.10. Give me _ egg.
