| A．by | B．in | C．on |
| A．Do | B．Am | C．Can |
| A．in | B．under | C．On |
| A．clean | B．cleaned |
| A．go | B．playing | C．play |
| A．are good | B．is good at | C．are good at |
| A．Here you are. | B．What do you like? | C．Can I help you? |
| A． Five yuan. | B．Five, please. | C．I’m five. |
| A．sweet | B．a sweets | C．sweets |
| A．Thank you！ | B．Goodbye！ | C．You’re welcome |
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