the little boy cannot tell___.答案是whose that watch is 答案是不是错了
问题描述：
the little boy cannot tell___.答案是whose that watch is 答案是不是错了
the little boy cannot tell___.答案是whose that watch is
答案是不是错了．
我觉得应该是whose watch is that
不认为这是一个主语从句啊
答
如果一个句子在复合句中充当一个主语,那么这个句子就是主语从句.
常规主语从句,即句子在复合句中充当一个主语
"（7）Whose watch was lost is unknown."
（1）That he finished writing the composition in such a short time surprised us all.
（2）Whether we will go for an outing tomorrow remains unknown.
（3）Who will be our monitor has't been decided yet.
（4） Whom we must study for is a question of great importance.
（5）What caused the accident remains unknown.
（6）Whatever you did is right.
（7）Whose watch was lost is unknown.
（8）What we need is time.
（9）What we need are good doctors.