【题目】There is a d________ between the two pictures. You will find it if you are careful enough.

【答案】difference

【解析】

句意为： 这两张图片有一处________。如果你足够细心便会发现它。根据句意可知此处指“不同之处”，根据空前a可知此处应填可数名词单数，故填difference。

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