Dùng đại từ quan hệ để viết lại các câu sau 1.He gave me the tickets. He bought them yesterday -> 2.That colorful poster attracts young pupils.They have just left their school -> 3.The dog is a big one.The dog is playing with the ball -> 4.She is riding on the elephant.It was carried from India -> 5.The acrobat is his uncle.We saw him on TV last night -> 6.She wear the uniform.It was made last week -> 7.They tell her about the film.They saw it on TV last night -> 8.The woman was a tiger-tamer.You met her at the gate -> 9.The letter is from London.Our sister is reading it -> 10.The chair is broken on pieces.Her father used to sit on it ->