Which sentence must be revised to eliminate the preposition at the end? 1.The museum had the throne where the king sat on.

2.This is the beach umbrella we will be sitting under.

3.I missed class, so I asked the teacher what we talked about.

4.The concert starts at two, so I told him to meet me before.

Hi! your answer would be  the women's association.  here's why:   "the childrens toys" should be "the children's toys".  there's no apostrophe anywhere, and should go after "children". it does  not go after the 's' because children is already plural, and you usually only add an apostrophe after a plural noun ends with an s, like boys or girls, for example. that is the boys' toys."the women's association", is correct.  it's kinda like the one above.  "the childrens' toys", is not correct. reason why is explained in the first one.  "none of these" isn't correct, because "the women's association" is correct.  hoped i and if you have any more questions, ask me.  -dawn