[00:06.31]第7天 考点突破强化练习 [00:12.10]Exercise One [00:14.18]Conversation One [00:16.15]W: Hi. How can I help you? [00:18.66]M: Yes, Id like to return this sweater for a refund. I bought it a week ago. [00:23.37]W: Well, first of all,...
