this shirt is （my brother’s ） they are （mechanics） Helen is （russian）对括号部分提问中间那个是这样写的：__ are thier ____,在横线上填空

this is my father yellow shirt 改错 It is not my shirt 和 This is not my shirt ,有什么区别 This is not my shirt.M___ is blue This is my shirt.改为复数句怎么改 This is my shirt.（变为一般疑问句） This is my T-shirt 写出同义句 This is my shirt.(变为一般否定句） This is my new shirt改为否定句 This shirt is not my but his 改错 this is my brother’s shirt.怎么改成提问! 改错 This is my shirt,it's mine This shirt is nice. this shirt is This shirt is ()T-shirt is this?()this your ()? No,()(). ()()is your T-shirt? My T-shirt is blue ,()this T-shirtis yellow. I think it's Zhang peng . this is my new shirt .____(it) is from my mother It's my shirt.(对划线部分提问) my是划线部分 -------shirt is this?填在前面的横线上 如果按This is my bag.改写成This bag is mine.whose shirt is this?怎么改?请指教!