A:easily; efficient
B:easy, efficient
C:easy; efficiently
D:easily; efficiently
看拼音,写词语
sǎ tuō
yū huí
è wēn kè
xiū sè
shuāi jiāo
wǔ dǎo
____
____,可以无悔矣,其孰能讥之乎?(王安石《游褒禅山记》)