—It's only a ten-minute walk. We take a taxi.
A:needn't
B:can't
C:mustn't
D:couldn't
The model teacher has ____ ____ ____ teaching her students and she deserves ____ ____ ____.
选词填空。
A.醒悟 B.觉悟 C.领悟
①一曲弹完,好半天,师襄才____过来。
②他的话我____了。
③通过学***家的____都提高了。
①将半径为r的⊙O六等分,依次得到A,B,C,D,E,F六个分点;②分别以点A,D为圆心,AC长为半径画弧,G是两弧的一个交点;③连结OG.问:OG的长是多少?大臣给出的正确答案应是( )