| A．fifty centimetres | B．fifty metres | C．fifty kilometres |
| A. Yes, I do. B. It’s more than two kilometres long. C. He’s forty years old. D. All right. |
| A. How long B. How old C. How many D. How much |
| A．thousand | B．thousands | C．long |
| A．long | B．old | C．near |
| A．along | B．tell | C．walk |
| A．desk | B．than | C．chair |
| A．forty | B．thirty | C．kilometre |
| A．more | B．much | C．many |
| A．in | B．on | C．along |
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