例句：

　　1.I did it because they asked me to do it!

　　我做這事是因為他們請我做�。�

　　2.Jack duked me because he said I had insulted him. partly because 部分原因是

　　杰克用拳猛擊我，因為他說我侮辱了他。

　　3.The electricity wastes because they often forget to turn it off.

　　因為他們常常忘記關電源，所以費電。

　　4.I can't do it now because I am busy.

　　因為我正忙著，現(xiàn)在不能做此事。

　　5.The dog was panting because of the hot weather.

　　因為天熱這只狗不停地喘氣。