| A．You are having a party. | B．We are having a party. |
| A．What's Tom doing? | B．Where is Tom? |
| A．from | B．to | C．of |
| A．at | B．in | C．on |
| A．clap | B．are clapping | C．clapping |
| A．have | B．has | C．having |
| A．read | B．reading | C．reads |
| A．playing the | B．play the | C．playing |
| A．Does | B．Are | C．Is |
| A．play | B．playing | C．played |
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