用 a / an 填空
1. Amy is _____ American girl.
2. Hu Ping is _____ Chinese boy.
3. _____ pilot can take people to different places.
4. _____ air hostess works in a plane.
5. This is _____ orange and is _____ melon.
6. We have _____ English class on Tuesday.

You have _______ pear and ______ orange. (    )

A．a; a

B．a; an

C．an; a

找出错误并改正。
【小题1】Jenny is writinga email to Steven. （______）________
A   B C
【小题2】This wall have a beautiful picture on it. （______） ________
A B C
【小题3】Don’t forget write your name last. （______）________
A B    C
【小题4】— How manyare those black T­shirts?  — Fifteen yuan. （______）________
A B    C
【小题5】Danny and Jenny wants to buy some postcards. （______） ________
A B C

I have ______ old house. （   ）

A．a

B．an

C．the

Can I have ____ apple? (   )

A．a

B．an

C．some