“如果你有一个苹果,我有一个苹果,彼此交换,我们每个人仍只有一个苹果;如果你有一个思想,我有一个思想,彼此交换,我们每个人就有两个思想。”这句格言说明( )
Having arrived too early for the appointment, Robert decided to read the newspapers ______ time.
______her dark sunglasses, the star wasnt recognized by crazy fans.
You ______get this book free if you can tell me the name of the writer.
Mary won’t keep slim ______she takes exercise every day.
____I will go abroad for further study or not is my top concern these days.