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Step 1 Warm-up/Revision
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Step 2 Presentation
1¡¢½Ìʦ½éÉܶԻ°Çé¾°£ºJohn and his mother are looking for the keys. Can you help them? Òýµ¼Ñ§Éú°ïæһÆðÕÒÔ¿³×£¬ÓþäÐÍWhere are the keys? Are they on/in/near…? ¼ÓÒÔѯÎÊ£¬Òýµ¼Ñ§Éú¸ù¾ÝͼƬ»Ø´ðNo, they aren’t.