Mỗi câu sau có một lỗi sai, gạch chân và sửa các lỗi sai đấy 1) Ba and Song plays football every afternoon with Khai and me 2) We buy two new rackets yesterday. We are going to play tennis this afternoon 3) I'm not going to do the homework for you. You should do it itself 4) Our neighbors invited my friend and I to dinner with them 5) You should try your best learning hard to pass the exam