By the time of last year, she ______ the piano for five years.

While I was standing ______the window, I saw several boys running _______the street.

Wang Ping was so angry heheard his friend betrayed him hetore the letter into two immediately.

依次填入下面一段文字横线处的语句，衔接最恰当的一项是（ ）_________ 但是对于它们的全体容貌，恐怕始终没有看清楚呢。因为这必须隔着相当的距离方才看见。唐人诗云：“山远始为容。”我以为树亦如此。①但在形式上是我所有的。②这些都是邻家院子里的东西，③寓楼的窗前有好几株梧桐树。④因为它们和我隔着适当的距离，⑤它们的主人，对于它们的局部状态也许比我看得清楚。⑥好像是专门种给我看的。

Not until I had arrived home______ my appointment with Michael Smith