假如你是胖东来生活广场的一名售货员，你见到顾客，怎么说 ？A. Can I help you ？ B.What would you like ？
was in front of you last Monday ?
Chinese people invented paper for .
Nine childrentheir grandparents last week .
The man sitsunder the tree .
American
was in front of you last Monday ?
.
their grandparents last week .their grandparents last week .
under the tree .
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