It took me a lot of courage to go over and ask if she wanted to dance.

　　我花了很大的勇氣過(guò)去問她是否想跳舞。

　　We had to go over the same ground in class the next day.

　　我們得在第二天的課上討論同樣的話題。

　　Go over your work for spelling mistakes before you hand it in.

　　交作業(yè)前仔細(xì)檢查一下拼寫錯(cuò)誤。

　　It's often necessary to go over the same ground more than once.

　　常常有必要對(duì)同樣的內(nèi)容不只一次地進(jìn)行檢查。

　　He would go over his work again and again until he felt he had it right

　　他會(huì)反復(fù)檢查自己的工作直到他認(rèn)為正確為止。