2018-2019人教新目标高中英语选修六课件:Unit 4 Period 4
2018-2019人教新目标高中英语选修六课件:Unit 4 Period 4第4页

4. Such casual dress would not be appropriate for a formal occasion.  ( ) 5. Maybe under these circumstances we may say that man can conquer nature.  ( ) 6. A cool drink refreshed me after my long walk.   ( )

随意的; 不正式的

条件

使……精神振奋