急 要通俗易懂的解释填空 （not be)late for school again 填什么 为么

________( not be ) late for school again. 1.Sam,__________(not be) late for school again. you must ()(not be)late for school again tom decided_____(not be) late for school again. TOM,____(not be)late for school again My teacher asked me______(not be )late for school again Tom,_(not be)late for school again Tom decided ____(not be)late for school again Don`t __(be) late for school again.横线应该填什么?谢谢! Don`t__(be) late for school again.横线应该填什么?谢谢! Don't ----(be) late for school again.用动词的适当形式填空 don't be late for school again