)Do you know the person who is under the big tree.Do you know the person ____ under the big tree.
问题描述：
)
Do you know the person who is under the big tree.
Do you know the person ____ under the big tree.
答
后面一定是加一个状语，
under the big tree 其实就可以，
当然空格地方填siting或者standing都是可以的
答
因为is（be）在二句中没有了，所以不可再填who，否则句子成分残缺（who under the big tree），所以应该填standing，这是现在分词引导定语从句的题。
答
who
答
可以填standing