问题补充：
My cousin was better at English than me .
A. did well in
B. did better in
C. does well in
D. does better in
答案：
A. did well in
(答案→)B. did better in
C. does well in
D. does better in
解析：句意：我表弟英语比我好。Be good at擅长于...,相当于do well in,注意介词的区别。本题中用到了比较级，good 和well的比较级都是better。
