例句：

　　In some schools, Christmas carols are being modified to exclude any reference to Christ.

　　在有些學(xué)校，圣誕頌歌正在被修改以去掉任何涉及基督的內容。

　　The software we use has been modified for us.

　　我們使用的軟件已按我們的需要作過(guò)修改。

　　Top supermarkets are to ban many genetically modified foods.

　　頂級的超市將禁止銷(xiāo)售許多轉基因的食品。