They have( )us a lot of useful suggestions on this project.怎么填
问题描述：
They have( )us a lot of useful suggestions on this project.怎么填
1.acquaint with 2.prefer 3.offer 4.attitude 5.shake 6.especially 7.apologize 8.proper 9.wind up 10.on her way 11.promising 12.punish
答
3.offer 提供