写出这个句子的复数形式Is she your friend?（PS:可以这样写吗：Are they your friends?

Is she your friend?写出下列句子的复数形式 写出这个句子的复数形式Is she your friend?（PS:可以这样写吗：Are they your friends? she is from America写出这个句子的缩略形式 She is a teacher 这个句子怎么改为复数形式 this is my book.写出下列句子的复数形式 还有Is that his uncle Is she your friend?yes,it is.this is my pencil case. 写出下列句子的复数形式 Is she your friend的复数形式 写出下面单词的复数形式 this that it写出下面单词的复数形式this that it she he is parent friendbrother family Who is your teacher?写出这个句子的缩略形式 clean的现在进行时是什么?还有She is ____________(clean the floor)空内添括号中短句的进行时格式然后把这个句子变成复数形式 she的复数形式 she的复数形式一定要复数形式 yo-yo的复数是什么 写出下列单词的复数形式.I- him- this- her- photo- diary- dress- strawberry- thief- yo-yo- sandwich- paper- juice- water- milk- rice- tea-着急用啊 写出下列词语和句子的复数形式 写出下列句子中的复数形式1.This is my friend._______________2.That is his parent._________________3.Is she your sister?________________.4.Is this a photo?_________________.5.No,she isn't._______________. 写出mather father this sister brother is 的复数形式. he/she的复数形式?