Tìm từ đồng nghĩa: Câu 31: School uniform is compulsory in most of Vietnamese schools. A. divided B. depended C. paid D. required Câu 32: Every time he opens his mouth, he immediately regrets what he said. He’s always putting his foot in his mouth. A. speaking indirectly B. saying embarrassing things C. doing things in the wrong order D. making a mistake