It's a watch.怎么变为一般疑问句?

It's a watch.怎么变为一般疑问句? It's a watch 怎么改为一般疑问句 It's a watch? It is a watch.变为复数句 It's my watch.改为一般疑问句. 1、This is a watermelon .2、It is a yellow shirt.3/That 's my watch.变为复数怎么变 it's an animal.变为一般问句 It is a watch.变一般疑问句. 把下列句子变为复数This is a watermlon.it is a yellow shirt.that's my watch. It's time to watch TV.改一般疑问句怎么改?否定句呢? It's a pen in English变为一般疑问句,并作否定回答 It's a watch.（变复数） It is a pen.变为一般疑问句怎么变?_ _ a pen? It's eleven thirty.（变为一般疑问句） She think it's fun(变为一般疑问句） It‘s cold in winter.变为一般疑问句 it's warm in xi'an.变为一般疑问句 It,s a knife 变为复数形式