初中九年级英语-Unit6 SectionB（1a-2e)分层练习设计.docx

Unit6 When was it invented?SectionB(1a-2f)I. 单项选择：（BC 层学生必做，A 层选做或不做）( )1.---It’s 9 o’clock now. I must go. ---It is raining outside. Don’t leave _____it stops.A. whenB. sinceC. whileD. until( )2. The good news made all of us ___________.A. unhappyB. happyC. happilyD. ...