Unit8 It must belong to Carla.SectionB (3a--Self-check)I. 单项选择：（BC 层学生必做，A 层选做或不做）( )1.---Jack looks tired. He must have stayed up watching the 2020 FIFA World Cup. ---________________. He is a great football fan.A.I guess soB. I have no ideaC.I hope soD. I don't mean ...
