what are these?怎么回答?是用they are 为什么?

what are these?怎么回答?是用they are 为什么? What are these?They are feet.为什么用They are 回答? What are these?回答为什么是They are …,而不是These 为什么用What are these?提问 用They are...为什么? What are these?怎么回答 what are these用these are...回答可以吗?还是说一定要用they are来回答 what are these应该用these are开头的句子回答还是用they are开头的句子回答? 提问what are those?回答为什么用they are . what's are these 怎么回答 what are these in English?怎么回答 英语中提问短裤怎么提问?是“what are these?”---“they are shorts”吗? what's the English for these?如何回答?是 It's...还是they are...