把下列句子变成复数形式例如:The boy is Lazy.------The boys are lazy.1：That girl is very beautiful.------__________________.2:He is an engineer.-----___________________.3:Is she a doctor?-------________________.4:This is not my umbrella.-----__________________.
问题描述：
把下列句子变成复数形式
例如:The boy is Lazy.------The boys are lazy.
1：That girl is very beautiful.------__________________.
2:He is an engineer.-----___________________.
3:Is she a doctor?-------________________.
4:This is not my umbrella.-----__________________.
答
Those girls are very beautiful.
They are engineers.
Are they doctors?
These are not our umbrellas.