| A．What are you doing? | B．What’s she doing? |
| A．Boys and girls are running. |
| B．Boys are catching girls. |
| A．Yes，I am. | B．Yes，they are. | C．Yes, we are. |
| A．sending | B．writing | C．Both A and B |
| A．are playing tennis | B．playing soccer | C．hide-and-seek |
| A．plays | B．are playing | C．playing | D．to play |
| A．look | B．looking | C．look at | D．looking at |
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