I also went to Wisley KG interveiw yesterday. My family spended nearly 2 hours there as I arrived too early. My interview booking is 3:30am. However, we arrived there 2:48pm...... The teacher asked my son many questions, she asked my son what is his name, my son was holding the banana and apple and the teacher ask him which one is apple and which one is orange. My son did it and she asked him which one is apple and my son see his hands only get the apple and banana, but no apple. Then, he saw the apple inside the basket and put down the orange and get the apple to the teacher. Actually, I never think these questions will apprear in N1 interview, it's quite difficult! I think it should be K1 questions.........
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