问题描述：
按正确的顺序排列下列句子.（7分）
（ ）Ok,I'll take it.
（ ）How much is it?
（ ）Can I help you?
（ ）What size?
（ ）It's ninety yuan.
（ ）Size six.
（ ）Yes,please.I want a pair of shoes.
这样排法对吗?
Can I help you?
Yes,please.I want a pair of shoes.
What size?
Size six.
How much is it?
It's ninety yuan.
Ok,I'll take it.
（ ）Ok,I'll take it.
（ ）How much is it?
（ ）Can I help you?
（ ）What size?
（ ）It's ninety yuan.
（ ）Size six.
（ ）Yes,please.I want a pair of shoes.
这样排法对吗?
Can I help you?
Yes,please.I want a pair of shoes.
What size?
Size six.
How much is it?
It's ninety yuan.
Ok,I'll take it.
问题解答：
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