Giúp em với ạ. E đang cần gấp . xin cảm ơn

Exercise 4: 1. Books are still a cheap way to get informations and entertainment, and you can keep a book forever. D A B 2. After George had returned to his house, he was reading a book. A B с D 3. These televisions are all too expensive for we to buy at this time. A B с D 4. Remember ...