Answer:
Diary, memoir, diary, memoir, are the correct answers.
Explanation:
A diary is a book in which one person keeps a daily record of events and experiences, such as feelings and events that could be considered as unimportant by other people, so it fits with the first and third options.
A memoir is a factual account of a person's life and it comes from the French <em>mémorie</em>. A memoir usually talks about a theme in particular, such as World War II, so it matches with options B and D.
