His first responds was to say no ,later however he changed his mind.

他最初的反應是不同意，可是后來他改變了主意。

I drink black coffee,whereas he prefers its cream.

我愛喝青咖啡，而他喜歡喝加奶油的。

He earns eight thousands pounds year,whereas he gets least twenty thousands pounds .

他一年掙8千英鎊，而他一年至少獲2萬英鎊。

復合句：復合句由一個主句和一個或一個以上的從句構成。

I was about leave ,when the telephone rang.

我在正準備離開，電話響了。

并列復合句：并列復合句指并列句中含有一個或更多的從句。

Alltogether Beethoven wrote nine sinfonias,but most of them was wrote after he had lost his hearing.

貝多芬一個寫了9部交響樂，其中大部分是在他耳聾后寫的。