英语的单数变复数thisismyfriendthatishiswatchissheyourparent?isithisfamilyphoto?heisamaniamanamericanitisanorangeorangeitisahappyfamilyitisanappletreethereisawomandoctorintheoffice这些题的答案我都

　　英语的单数变复数

　　thisismyfriend

　　thatishiswatch

　　issheyourparent?

　　isithisfamilyphoto?

　　heisaman

　　iamanamerican

　　itisanorangeorange

　　itisahappyfamily

　　itisanappletree

　　thereisawomandoctorintheoffice

　　这些题的答案我都做了,不确定,