老师直接对学生们讲话，解释新的作业要求。

The teacher ___addressed the students directly to explain the new assignment.

老师在课堂上详细解答了学生提出的问题。

The teacher thoroughly ___addressed the questions raised by students in class.

请把收件人的姓名和地址写在包裹上。

Please ___address the package with the recipient's name and details.

在正式场合，我们都称呼他为'董事长'。

In formal settings, we all ___addressed him as 'Chairman'.