| A．the third floor |
| B．the first floor |
| C．the second floor. |
| A．420 | B．4200 | C．42000 |
| A．Tom is taller than Sarah. |
| B．Tom is shorter than Sarah. |
| C．Tom is 3cm shorter than Sarah. |
| A．mm | B．cm | C．m |
| A．m | B．cm | C．ft |
| A．to do homework |
| B．do homework |
| C．do homeworks |
| D．does homework |
| A．on | B．at | C．say | D．you |
| A．on | B．at | C．in | D．to |
| A．She | B．They | C．Her | D．Here |
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