老师再次强调说按时完成作业非常重要。

The teacher ___reaffirmed that completing homework on time is very important.

总统的演讲重申了我们国家对于环境保护的承诺。

The president's speech ___reaffirmed our nation's commitment to environmental protection.

尽管有人质疑他的决定，他仍然重申了自己的立场。

Despite doubts about his decision, he ___reaffirmed his position.