-----Li Lei did very well in the English exam. ----Oh yeah !He is English.A. weak

问题补充：

-------Li Lei did very well in the English exam.

------- Oh, yeah !He is English.

A. weak in

B. angry with

C. good at

D. afraid of

答案：

A. weak in

B. angry with

(答案→)C. good at

D. afraid of

解析：本题回答语的含义为李磊擅长英语，be good at表示擅长某事，故本题选C。