His English is as as his Chinese.A. goodB. betterC. bestD. the best

问题补充：

His English is as as his Chinese.

A. good

B. better

C. best

D. the best

答案：

(答案→)A. good

B. better

C. best

D. the best

解析：句意：他的英语和汉语一样好。As adj as和……一样，用于同级比较，第一个as后面接形容词原级，故选A。