请确保你的名字在试卷的顶部。

Please ___insure that your name is at the top of your examination paper.

我们必须确保动物园里的动物有良好的生活条件。

We must ___insure that animals in zoos have good living conditions.

团队领导将确保项目在截止日期前完成。

The team leader will ___insure that the project is finished by the deadline.