【单选题】The writer was _____ in his writing that he forgot to flick the ashes from his cigar.
【单选题】He ______ his homework at home yesterday.
【单选题】The writer was so ______ in his writing that he forgot to flick the ashes from his cigar.
【单选题】“一好百好、一坏百坏”是哪种社会知觉偏差?( )