例句與造句

1. those who want to join the briefing session should complete and send in a return slip by march 15
   如欲出席簡報會，請于三月十五日前遞交回條。
2. all parents are welcomed . please complete the return slip to the class teacher before january 29th ( monday )
   希望各位家長能踴躍參加，請于一月二十九日(星期一)前回覆。
3. It's difficult to find return slip in a sentence. 用return slip造句挺難的