英文同位語的合併句

Question

有兩個句子

1.Sally is my sister.

2.Sally is a police officer.

要用同位語將兩句合併

以下幾句哪幾句是錯的? 為什麼?

Sally, my sister, is a police officer.

My sister, Sally, is a police officer.

My sister is a police officer, Sally.

My sister, a police officer, is Sally.

Sally is my sister, a police officer.

Sally is a police officer, my sister.

我有點搞不太懂究竟同位語指的是什麼

那它的位置到底要放在哪個位置,有規則嗎?

Answer 1

She s their grandma.Her name is Celia