what's this...可以用This is...还是必须用It’s 来回答?还有What are these/those 的回答

what is this?可以写成 what's this?为什么? 用a/an或者the填空.Han Meimei is( )Chinese girl and Lucy is ( ) English giry.what's that? It's( ) cake.Is this ( )eraser? No, it's ( ) pencil-box.thi is( ) old bookl am from ( )U S AIs that ( )orange? No, it's( )eg 英语翻译Let's get the bags.Where's Ken's bag?It's big and blue.It's here.This is his.What about Brenda's bag?It's small and read.Umm.Here it is.This is hers.Can you see Mr and Mrs Sun's bag?It's very big.Is it green?No,it isn't.It's purple.Ah!Thi 这个用英语怎么说What `s this in English这个用英语怎么说?What `s this in English?用How to say it in English?为什么不可以 what's this...可以用This is...还是必须用It’s 来回答?还有What are these/those 的回答 What's this?用怎么英文回答 what's this/that?用什么答 what's this? what s this回答 whats this what's this是什么意思 What's this? 翻译 what’s this? this's what i what's this? what's this What’s.this.( )Chinese what's this?