1. Choose the best relative pronoun to complete each sentence.
(Chọn đại từ quan hệ đúng nhất để hoàn thành mỗi câu.)
1. He bought all the books ______ he needs for his English course.
A. that
B. who
C. whose
2. This computer, ______ I often use to learn English, is a birthday present from my father.
A. which
B. that
C. whose
3. I like working with classmates ______ are responsible and creative.
A. whose
B. which
C. who
4. Nam, ______ father is a famous surgeon, wants to go to medical school.
A. which
B. whose
C. who