1. I need to complete my homework before going to bed.
我需要在睡觉前完成我的作业。

2. The project is almost complete, we just need to add some finishing touches.
这个项目几乎完成了，我们只需要做一些收尾工作。

3. Please make sure to complete all the fields on the form before submitting it.
请确保在提交表格之前填写完所有的栏位。

4. The puzzle was difficult to complete, but I finally did it.
这个拼图很难完成，但我终于做到了。

5. I can't believe I completed the marathon in under four hours!
我简直不敢相信我在四个小时内完成了马拉松！

6. The chef needs all the ingredients to complete the recipe.
厨师需要所有的食材来完成这道菜谱。