PPT预览
词汇点睛
1 sell out卖光
[观察] I'm sorry. All the concert tickets have been sold out.对不起，所有的演唱会入场券都已经卖光了。
[探究] sell out表示“卖光”，其中sell是动词，意为“卖;销售”，其过去式和过去分词均为 sold
活学活用
1.通往北京的火车票半小时前就卖光了。Train tickets to Beijing were sold out half an hour ago.
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词汇点睛
1 sell out卖光
[观察] I'm sorry. All the concert tickets have been sold out.对不起，所有的演唱会入场券都已经卖光了。
[探究] sell out表示“卖光”，其中sell是动词，意为“卖;销售”，其过去式和过去分词均为 sold
活学活用
1.通往北京的火车票半小时前就卖光了。Train tickets to Beijing were sold out half an hour ago.
