it's(复数)

it's的复数 it's(复数) it's tim's复数 it's green复数形式 It`s new pen {复数} it's的复数形式 it's的复数是什么 It's an orange orange 改为复数改为复数 英语复数It's a potato改为复数形式 It's a tomato的复数形式 It’s his pen.怎么变复数 It's a new toy bus.[复数] It's a pencil box 复数改 It's an english book.复数形式 It‘s a pear 改为复数句 It's her skirt变复数 It,s a knife 变为复数形式 It's a photo.(改为复数句)