What' s that?怎么改为复数?

What' s that?怎么改为复数? what's that 改为复数 What's this?怎么改为复数形式 That's a nice watch.怎么改为复数句? What is that?改为复数形式. what is that改为复数句 1.what s that?(改为复数) 2.it s a cat (改为复数) 3.1.what s that?(改为复数)2.it s a cat (改为复数)3.that s an bng lish bwk (改为复数)4.these are eyes im brglish5.that is a bvs 6.she is frcm cuba7.he has a wide mouth that's an eraser改为复数句 that s my brother改为复数句 That's a girl.改为复数形式 Who is she?She's my teacher What's that?It's a renily--box改为复数形式 What's that的复数形式 What are these?They are apples.(改为单数句子)That's a bus.(改为复数句子)These are pencils.( 改为一般疑问句并做肯定回答）可以讲一下么?怎么改的,谢谢了、、、 She's a girl What's this in English What's that in English 这些怎么变复数形式? That's an apple改为复数句 怎么改?好滴给分 This is his sister and that,s his son.怎么改为复数形式 将Is this that twin sister's photo改为复数形式怎么改? What's this?It's a pen.(改为复数句)