问题
选择题
---- Your brother is good at running. How fast he runs in the sports meeting last week!
---- But he didn’t run _____ Sam.
A．so fast as
B．as faster as
C．as more quickly so
D．so slower as
答案
A
题目分析：句意：你哥哥擅长跑步。上周他在运动会上跑的多快啊！但是他没有山姆跑的快。not so+adj/adv+a不和……一样，形容词或副词用原级，故选A.