问题描述：
There are（three ）people in his family.【就划线部分提问】括号内是划线
There are (three) people in his family.【就划线部分提问】__ __peopie __ __in his family?括号内是划线唷
There are (three) people in his family.【就划线部分提问】__ __peopie __ __in his family?括号内是划线唷
问题解答：
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