Complete the second sentence so that it means the same as the sentence provided

Complete the second sentence so that it means the same as the sentence provided.
1.The United Nations is the largest international organisation
→No international organisation
2. We can't accept your application today.
→ Your application
3. No river in the world is longer than the Nile.
→ The Nile.............
4. The speaker is Laura. She will share new learning experiences in our workshop.
(who)
→ The speaker
Smartphones can store audio books. They have a lot of storage space. (Which)
→Smartphones which........
5. Peter is a friend of mine. His sister is taking an online maths course. (whose)
Peter.........
The chidren were playing in the playground. They are not from our school. (Who)
→ The children...
6. Lan has read the book. I lent her the book. (which
Lan........
7. I talked to a girl. Her bicycle broke down in front of the shop. (Whose)
→I talked to the girl
Thank you very much for your email. It was very interesting. (which)
->Thank you very much for your email,........