你认为和同学老师和谐相处要做到( )①宽容友善 ②相互信任 ③互相尊重 ④互不相让
A:①②④
B:②③④
C:①②③
D:①③④
化学创造美好生活.以下说法不正确的是( )
—I see ____ rulers.
Are these his shoes? No, they____ (aren't/are).