21.They discussed for long and finally they _____ a good idea. A. thought B. tho21.They discussed for long and finally they _____ a good idea.A. thought B. thought about C. came up D. came up with
问题描述：
21.They discussed for long and finally they _____ a good idea. A. thought B. tho
21.They discussed for long and finally they _____ a good idea.
A. thought B. thought about C. came up D. came up with
答
D 提出,推出