(    )1. It's________unusual thing for us to find________UFO.           
      A. a, a                    B. an, an                      C. an, a                     D. a, an
(    )2. There ________________ a meeting tomorrow afternoon.        
      A.is going to have     B.will have             C.is going to be        D.shall be
(    )3. --- Excuse me. May I speak to Jill, please?    ---________________.   
A. Yes, I am         B. Who are you?       C. I am speaking.     D. This is Jill speaking.
(    )4. ---Oh,how nice! A picture of the White House?               
--- Yes.I take it in____________. 
A.London          B.Washington D.C.   C.Paris                     D.Tokyo