have you ever practiced conversations with friends______ your speaking skills?A improved. B improve. C to improve. D improving

分类: 作业答案 • 2021-12-19 11:52:03

问题描述：

have you ever practiced conversations with friend
s______ your speaking skills?
A improved. B improve.
C to improve. D improving

答

C
用不定式做目的状语
句意：你跟朋友一块练习对话来提高说的技能了吗?