Lin Lin often practices English chatting with her American friend.A. inB. byC. forD. with

问题补充：

Lin Lin often practices English chatting with her American friend.

A. in

B. by

C. for

D. with

答案：

A. in

(答案→)B. by

C. for

D. with

解析：介词辨析、in在里面；通过某种方式用by。For为了；with带有，用某种工具。句意：琳琳经常通过和美国的朋友聊天来练习英语。结合语境可知选B。