They received demands that the work ________ at once. A．must

英语翻译they received orders that the work be done at once They received orders ( ) the work be done at once谢谢了, 二．用所给动词的正确形式填空.1．Must we ________ the work at once?(start) They suggested that the work (be started)at once为什么填be start 选择填空（）3.The work（ ）at once .A .must do .B.should be done they should do the work at once改被动语态 he suggested that the work _____ at once A.would started B.s the teacher spoke slowly so that they_____their work at once must we ____(start)the work at once ?求详细讲解 讲方法 The teacher wants the work ( )at once Only at work ________ the importance of mastering a foreign ---________ we clean the classroom at once?