你觉得他今晚会求婚吗?
Do you think he will ___propose tonight?
我提议我们先开个会讨论这个问题。
I ___propose that we hold a meeting to discuss the issue first.
为了解决这个问题,我建议我们实施一项新政策。
To solve this issue, I ___propose that we implement a new policy.