Oscar Wilde.

This is the key to the exercise in your "Writing Bank" (Textbook p/143):

1.in
2.on
3.when
4.later
5.when/while
6.after
7.for
8.in
9.During
10.after/when
11.on

I wish I had met him! Interesting person indeed! Don't you think so?

Ana Martínez.