1. —Hi, Tony, what class are you in? Are you in _________?

    —Yes.

   A. Grade One, Class Four                  B. Grade One, Class four

   C. Class Four, Grade One                   D. Class one, One Grade

2. —Who’s the man at the door?

— _____.
A. He works in the hospital.                    B. He is my friend.   
C. He comes from the USA .                    D. He is twelve.