1.Before the teacher comes in,you should ___ ___ (把……打扫干净) the classroom.1.Before the teacher comes in,you should ___ ___ (把……打扫干净) the classroom.2.I don't know which sweater ___ ___ (选择).

three days passed before the teacher came.怎样翻译啊? 详解1.The teacher demanded that the exam _____ before eleven.1.The teacher demanded that the exam _____ before eleven.A.must finish B.would be finished C.be finished D.must be finished 把 The student had cleaned the classroom before the teacher's arrival 改为被动句 Our teacher( )English on the Internet the day before yesterday. A.teach B.teaches C.taught We didn't know the new teacher,so he ______ himself before the class began. The teacher said,‘ H__ in your exercise books before the class is over ’ The boy didn't stand up before the teacher came in 写出两个同义句 before you enter the teacher's office,you should k____ on the door Before you enter the teachers office ,you must (k ) on the door first. You should ( )on the door before you go into the teacher‘s office 怎么填 The teacher asked us to ---- the English papers before he gave answers to us .hand短语 the teacher tells us ( )(get) to school before eight in the morning the teacher is standing___the class.填in,on,before,to哪个? The teacher is standing ___the class (on,in,before,to).选完后并翻译, the teacher-------------his students to hand in their compositions before Friday知道是选told, The teacher said to his students ,Think ,before you do it 改间接引语 单词拼写in the lab you must follow your teacher's i___ before doing your experiment. the year before i am an english teacher in a middle school