— What is that?
—It’s _______ eraser, and it’s _______ red eraser.
A. a; a B. an; a C. an; an
Sydney Opera House ______ a usual theatre and it symbolizes Australia.
| A．likes | B．doesn’t like | C．isn’t like | D．looks like |
—Betty, do you know if Tony ______ the photo competition?
—He will, if he ______ his project on Australia.
| A．enters; finishes | B．enters; will finish |
| C．will enter; finishes | D．will enter; will finish |
Many comic books ______ into cartoons in the past 40 years.
A.make C.are made
C.have make D.have been made
—Susan, what are the advantages of MP5 players?
—Mom, they are smaller and lighter ______ they can be carried very easily.
| A．unless | B．if | C．until | D．so that |
—Tony, could you give me a hand?
—Wait a minute.I ______.
| A．lock the door | B．will lock the door |
| C．am locking the door | D．was locking the door |