`1.` who (the man)
`2.` which (a hotel)
`3.` which (the chair)
`4.` whom ( thay thế cho danh từ chỉ người đóng vai trò là tân ngữ: you)
`5.` whose (đại từ quan hệ chỉ sự sở hữu của người: teacher)
`6.` which (the letter)
`7.` which (the party)
`8.` which (the dress)
`9.` whose (wife)
`10.` whom (I)
`11.` which (the vase)
`12.` whose
`13.` whom (they)
`14.` ∅
`15.` who (the old lady)
`16.` which (the letter)
`17.` whom (you)
`18.` which (the food)
`19.` who (the thief)
`20.` which
`21.` where (the shelf)
`22.` which (the computer)
`23.` where (the museum)
`24.` which (the wallet)
`25.` whom (I)
`26.` which (the subject)
`27.` which (the plane)
`28.` which (the flat)
`29.` which (the mobile phone)
`30.` who (the fortune teller)