Underline the relative pronouns that can be left out.
1 The writer that I told you about has sold over 5 million books already

2 That's the cosmetic brand whose products are all natural

3 The girl who gave me this bracelet is my best friend.

4 The house which we bought was in a very bad condition

5 The photos which I saw online were not the same as the product I received

6 Let's meet in a place where we can talk in private.
7 I'm waiting for the students who promised to help me.