Unit4 I used to be afraid of the dark.SectionB(1a-2f)I. 单项选择：（BC 层学生必做，A 层选做或不做）( )1.---Why were you absent _______ the meeting yesterday? ---Because I had a bad cold.A. aboutB. toC. ofD. from( )2. ---Can you please keep ________ for a while? I’ll give my mother a c...
