| A．to play | B．playing | C．plays |
| A．play basketball | B．to play basketball | C．playing basketball |
| A．a | B．the | C．不填 |
| A．play | B．played | C．playing |
| A．at | B．on | C．in |
| A．Yes, I do. | B．No, I do. | C．Yes, I don't. |
| A．with | B．from | C．to |
| A．are | B．do | C．is |
| A．in | B．at | C．on |
| A．make | B．to make | C．making |
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