a pair of後面加什麼詞

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。