---Mum, where did you put my sweater?
---Is it _____ black one? I put it in _____orange box near your desk.

Zhang Li is wearing        orange coat. She looks active.
A. a                   B. an                  C. the

My friend had ________really unusual experience last year.

Mr. Black often goes to work by______ bus.

—Who is that man in black?    — He is _______ art teacher in our school.

  In my mind, no such_______ thing in our country as_______ Great Wall can represent the  image and culture of China．

----what’s this in English，Maria ?
-----It's ________map．
A．a            B．an             C. The

This is             useful book,              book is my brother's.

Let’s take ______ photo! Everyone, cheese!

— Why did you laugh just now？
— Ted wanted to tell us ______ very funny story, but he forgot ______ ending himself.