roof的復(fù)數(shù)形式怎么寫

　　例句：

　　The house needs attention but the roof is sound.

　　房子需要修葺，不過屋頂還完好無損。

　　We could see the stars through an opening in the roof.

　　我們從屋頂?shù)男《茨芸匆娦切恰?/p>

　　I don't want her under my roof again.

　　我再也不想讓她到我家來了。

　　There are various stores and restaurants all under one roof.

　　在同一棟大樓里有各種商店和飯館。

　　I'll have to see about getting that roof repaired.

　　我得找人把房頂修一修。