A．Yes, she is.  | B．No, he is my teacher. | C．No, he is. |
A． | B． |
A．  | B． |
( )| A．This is a school. | B．This isn't a school. |
| A．classroom | B．school | C．hall |
( )| A．Where's the classroom? | B．Where's the library? |
A．doesn't  | B．aren't | C．didn't |
| A．was; was | B．is; is | C．is; was |
A．played  | B．cleaned | C．watched |
( )| A．—What's this? —It's a hall. | B．—What's this? — It's a ball. |
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