16.The pupil gets the scholarship. He is very poor .(who)
->The pupil
17. Auld Lang Syne is a song. Auld Lang Syne is sung on New Year’s Eve.(which)
->Auld Lang Syne is a song
18. Have you ever spoken to the people? They live next door ( who)
-> Have you ever spoken to the people

16. The pupil who gets the scholarship is very poor.
17. Auld Lang Syne is a song which is sung on New Year’s Eve.
18. Have you ever spoken to the people who live next door?
16 The pupil who gets the scholarship,is very poor
17 Auld Lang Syne is a song which is sung on New Year’s Eve
18 Have you ever spoken to the people who live next door