Unit10 You’re supposed to shake hands.SectionB(1a-2f)I. 单项选择:(BC 层学生必做,A 层选做或不做)( )1.---Is your grandmother quite well? ---Yes. She is 84 years old. You _________believe how active she is!A. needn’tB. shouldn’tC. mustn’tD. wouldn’t( )2. ---Maria wants to se Mr. Smith _...