他说的话不合情理．

His words didn't　　．

明天请把作业交上来

Please　　 your homework tomorrow．

没有知识，你成功的可能性就会小一些．

Without　　，you may have little chance to achieve success．

每当国旗升起时，我们都很激动．

We all feel very excited when the　　 is being raised．

聚会结束时我唱了一首歌．

I　　 at the end of the party．