What can teachers do with a gift card according to paragraph 2? A. Get coffee for free B. Order a cheaper meal C. Exchange it for a book D. Buy a book for diaryĐoạn văn25/43What can teachers do with a gift card according to paragraph 2? Get coffee for free Order a cheaper meal Exchange it for a book Buy a book for diaryGiải thíchĐáp án đúng là C