1.It's Yang Ling's. 它是楊玲的。
2.They're Mike's. 它們是邁克的。
3.Whose robot is this? 這是誰(shuí)的機(jī)器人?
It's Tim's. 它是蒂姆的。
4.Whose shoes are these? 這些鞋是誰(shuí)的？
They're my shoes. 這些是我的鞋。
例句分析：
——Whose+名詞單數(shù)+is this?
——It's+某人's +（名詞單數(shù)）.
——Whose+名詞復(fù)數(shù)+are these?
——They're+某人's +（名詞復(fù)數(shù)）.
