The boy is good learning English and he does well it.A. at, atB. at, inC. in ;atD. in; i

The boy is good learning English and he does well it.
A. at, at
B. at, in
C. in ;at
D. in; in

A. at, at(答案→)B. at, inC. in ;atD. in; in解析：be good at和do well in是固定短语的搭配.

正好我需要