We didn't know we were breaking the law.

　　我們那時(shí)不知道我們在違法。

　　We need double the amount we already have.

　　我們需要現有數量的兩倍。

　　We put the dog in kennels when we go away.

　　我們外出時(shí)把狗寄養在養狗場(chǎng)。