英語の問題
以下の文の中に文法的に誤ったものを選ぶ問題です。
1This is the girl Tom is going to marry.
21This is the girl whom Tom is going to marry with.
3I visited the factory where my father works in.
4I visited the factory in which my father works.
5I visited the factory where my father works.
6There are times which everyone needs to be alone.
7There is no reason why you should complain.
8That's how this school got its name.
9That's the way everyone dresses on festival days.
10That's the way how you can create your own homepage.
11,12と13,14,15については少々解説等頂きたいと思います。お願いします。