在平行四边形ABCD中，对角线AC和BC相交于点O，如果AB=8，BC=10，BO=x，那么x的取值范围是____
下列说法中正确的是 ( )
Read and order 给打乱顺序的句子重新排序。
① Ok, I'll take it.
②How much is it?
③Can I help you?
④What size？
⑤It's ninety yuan.
⑥Size six.
⑦Yes, please. I want a pair of shoes.
____
