Is this your grandfather in the picture?怎么回答..是Yes it is.还是Yes he is.

问题描述:

Is this your grandfather in the picture?怎么回答..
是Yes it is.还是Yes he is.

Yes, it is.

Yes,it is,楼上已解答了

Is this your grandfather in the picture?
Yes,it is.
图中的这人是你的祖父吗?是的.
问句的主语是指示代词this,所以答句不能用he,而要用it来回答.
如果问Is this man your grandfather?这时回答就可以用he了.