the children must remain _______ the school grounds during the lunch breakA.with B.at C.within D.of为什么选 C

The children must（ ） (stay) away from the building同上 The children must-------（stay aways from）the building children must never ___(play)games on the road. We must teach young children to cross the road safely The medicine must be kept away from children翻译 Children,you must do the home work( )(填反身代词) the children must have lunch（o ）time the children must stay at home tonight dui madui ma children under 10 must before swimming in the poor the children must have lunch（o ）time填空题 We must take care of the young children.(改为同义句）We must ----- ----- the young children. the children must close their eyes now =the children must keep their eyes closed now 为什么用closed all children over seven must attend school可以写成 the over seven all the children must attend schoo The children must not go hungry 系动词是must还是go Wet must look after the children well.怎么改为被动语态啊The children must _____ _____ after well by us. There’re some children （ ）play on the ground.填playing还是play We're going to help the children in poor areas对inpoor areas提问 there're a lot of children in the park on _(child)Day