问题描述：
（ ）……can l helP you A·Yes,please ...B.i
（ ）……can l helP you A·Yes,please ...B.i 'd liKe a Pie ..C.Yes,i do
（ ）……can l helP you A·Yes,please ...B.i 'd liKe a Pie ..C.Yes,i do
问题解答：
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