一，请正确选择选择a或an填写
pen bag
apple big apple
banana orange
hour house
umbrella university
二，尝试用a/an填空：
①Is it Chinese book or English book?
②This is ring, and it is orange ring.
③Mary is English teacher. Tom is Chinese teacher.
④This is bike. It’s old bike.
⑤This is telephone number.
⑥That is ID card.
⑦I lost my keys. It’s set of keys.
⑧It’s apple, not pear.
⑨This is peach. That’s orange.
⑩You have banana, but I have egg.
三，请学会用a/an
①Is there umbrella on the desk?
②There is island in the sea.
③There is picture on the card.
④I have old book.
⑤ apple is a kind of fruit.
⑥There is armchair in the living room.
⑦I’d like egg.
⑧Look, there is bird in the tree.
⑨Is there map on the wall?
⑩There is bench in the park.
四，加强练习a/an用法
1.This is ____ i nsect.
2.Is that ____ a pple?
3.She is ____ t eacher.
4.My father is _____ w orker.(工人)
5.What’s this?
It’s___ o range.
6.I have（有）___ s weet apple.
7.Look, It’s___ e lephant.
It’s ___ big elephant.
8.May I have＿＿p izza?
Here you are.
9. I can see ___ old man.
He is ___ tall man.
10. Give me ___ egg.。