Have you ever been to ______ aquarium in Qingdao before?

---People, especially teens, think it_______ great fun to surf on________ Internet.
--- I agree with you.

My brother plays ________ soccer well, and he plays ________ piano well, too.

Scott often plays _________ guitar after ________ breakfast.
A. the; /       B. /; /     C. a; the      

What color is it? ---It’s ________ orange.
A. an       B. a            C. /

Tom is from America. He is ________ American. 
A. a        B. an      C. the

The wolf comes from Europe. It is _______ European wolf.
A. a           B. an       C. the     

We usually have ________ lunch at school. 
A. the      B. a        C. /

I have got _________ apple. 
A. a        B. an      C. some

My father is _______ English teacher in _______ university.
A. a; a         B. a; an        C. an, a