Mn giúp mình bài Rút gọn mệnh đề với ạ : 1,Nam was the first person who got mark 10 in Math in my class 2,The architect with whom we work is brilliant 3,Issac Newton, who was a famous English scientist , discovered the theory of gravity 4,A barrel is a large container which is made of wood or metal 5,I read about the man who keeps chickens in his apartment 6,The book which is on the table belongs to the teacher 7,Nga knows the woman who is meeting us at the airport 8,The subject about which Dr.Gold spoke was interesting 9,The teacher whom I like most is Ms.Lien