All the students must (c ) their attention on their work.

All the students must (c ) their attention on their work. All the students must c __their attention on their work 英语填空题：1.All students must c＿＿＿their attention in their work. 根据首字母填空.All the students must c_ their attention on their wo Students must obey all the r____ of their schools The students are able to c_______ their attention on their w The students can focus their attention on studies in a quiet Often their impact on students stays all through their lives All the students are talking about their the students found that all their homework 英语翻译In an English class,the students all work hard at their For the time being,not all students can do their home work o