----He likes teachers who easygoing.--So do I.A. is B. are C. wasD. were

问题补充：

----He likes teachers who easygoing.

----So do I.

A. is

B. are

C. was

D. were

答案：

A. is

(答案→)B. are

C. was

D. were

解析：

试题分析: 句意：他喜欢随和的老师。我也是。who引导定语从句，谓语动词单复数与先行词保持一致，根据likes,可知主句为一般现在时，故选B