A Listen and circle. 聽和畫圈。
Don't run down the stairs! 別跑下樓梯！
It's dangerous! 很危險(xiǎn)！
Please use the sidewalk. 請走人行道。
It's safe. 很安全。
Be careful! 小心點(diǎn)！
Don't play football in the street. 別在街上踢足球。
Please play in the playground. 請?jiān)诓賵鐾妗?/span>
Don't climb on the window ledge! 別爬窗臺(tái)！
It's dangerous! 很危險(xiǎn)！
Don't swim in the lake. 別在湖里游泳。
It's very dangerous! 很危險(xiǎn)！
Please wait for the greenlight. 請等綠燈。
It's safe. 很安全。
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