问题描述：
英语看音标写单词：】
How did you know ____/ ai / was behind you?You must have ____/ aiz / in the back of your head.
格式：
1._____ 2._____
要按格式写~
How did you know ____/ ai / was behind you?You must have ____/ aiz / in the back of your head.
格式：
1._____ 2._____
要按格式写~
问题解答：
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