The students each _____ their lessons.

The students each _____ their lessons. — Each of the students, working hard at their lessons, _____ — Each of the students,working hard at their lessons,___ the each of the students,working hard at their lessons,______ th 英语单选16.-Each of the students,working hard at their lessons,_ The students were reviewing their lessons when the teacher c To students ,the most important thing is---- their lessons The students are kept busy reviewing their lessons ( )The students are busy ___over their lessons.Agoing Bwith Give the students lessons. Each of the students,working hard at his or her lessons,hope Each of the students in theschool works hard at his lessons,