The boys have played        tennis for over        hour.

Your sister has    bad cold, and you must give her some medicine __ this afternoon.
A. an; /                 B. a; /                  C./;the

---How was ________ dinner at Mike’s house?         
---It was great. Mike’s mum is _________ wonderful cook.

English is _________ international language.

It is_________ popular way among the young people to chat on the Internet now.
A.  a  B.  an   C. the

— Who’s that lovely girl?
— You mean ______ girl with long hair? That’s Kate.

We should often help _______poor.
A. a B.不填 C. the

I am going to make ________special house for my pet pig this weekend.
A. an                  B. a                    C. the

—Why do you like Jack? —Because he is     honest boy.
A. a            B. an            C. the

Ge You is ______ interesting actor. He has lots of fans.
A. a          B. 不填           C. an