A:didn’t turn u
B:hasn’t turned u
C:didn’t turn off
D:hasn’t turned out
找出下列单词中不同类的一项。
① A. have B. chips C. eat D. drink____
②A. yesterday B. breakfast C. lunch D. dinner____
统一是中国历史发展的主流,我国历史上第一个大一统的朝代是( )