a pair of后面加什么詞

　　例句：

　　My mummy got/ bought me a pair of new shoes.

　　我媽媽給我買了一雙新鞋。

　　That's not the right way to hold a pair of scissors.

　　那樣拿剪子不對。

　　A pair of oxen, yoked together, was used.

　　把兩頭牛用軛套在一起使喚。

　　He wore old jeans and a pair of sneakers.

　　他穿一條舊牛仔褲，腳蹬運動鞋。