--- Is this your computer?
--- No, ______.
| A．it is | B．it isn’t |
| C．this isn’t | D．this’s |
—____, are you Mr. Wang? —Yes, I am.
| A．Fine | B．Please | C．Excuse me | D．OK |
-----Is she Helen? -----__________. She is Gina.
| A．Yes, it is | B．No, it’s not |
| C．Yes, she is | D．No, she isn’t |
---Tony, ________ is my good friend, Harry. --- Hello, Harry.
| A．this | B．that | C．it | D．he |
-----Are those your pencils? -----_________.
| A．No, they are. | B．No, I am not |
| C．Yes, they’re. | D．Yes, they are. |
They ______ my brothers, and she ________ my cousin.
| A．are; is | B．am; are |
| C．is; is | D．are; am |