1 The woman who works for a publishing house lives on the third floor

(Trước đó là danh từ chỉ người nên dùng ĐTQH who)

2 The songs which are very popular are composed by this songwriter

(the songs chỉ vật nên dùng ĐTQH which)

3 The hotel which has good service is located near the beach.

(Giải thích giống câu 2)

4 The writer who is only 2 years old wins the this year's Literature Award.

(Giải thích giống câu 1)

5 The machine which is very useful was invented by this young student

(Giải thích giống câu 2)

6 The people who are very kind and helpful are going on holiday with me

(Giải thích giống câu 1)

7 The man who used to be a clown is nominated for 'The Writer of the Year

(Giải thích giống câu 1)

8 The bridges which are of great help are built by students in the Green Summer Program

(Giải thích giống câu 2)

9 The secretaries who can speak English well are working in this office

(Giải thích giống câu 1)

10 The waiter who is very polite  is serving u

(Giải thích giống câu 1)