Online teaching may be mandatory in certain situations, such as during a public health crisis when in-person instruction is not possible. However, in general, the decision to teach online is typically made by educational institutions or individual educators based on their specific circumstances and needs. Some institutions may require a certain percentage of courses to be offered online, while others may leave it up to the discretion of the instructor. Ultimately, the requirement for online teaching depends on the policies and guidelines of the specific educational institution. **

The effectiveness of online teaching versus in-person teaching depends on various factors such as the subject matter, the learning style of the students, and the resources available. In-person teaching allows for more immediate feedback and interaction, which can be beneficial for certain subjects and students. On the other hand, online teaching offers flexibility and accessibility, making it easier for students to access resources and learn at their own pace. Ultimately, the best approach depends on the specific needs and preferences of the students and the nature of the subject being taught. **

One can watch old TV shows online by subscribing to streaming services like Netflix, Hulu, or Amazon Prime Video, which often have a library of older TV shows available for streaming. Another option is to check if the specific TV show is available for purchase or rental on platforms like iTunes, Google Play, or Vudu. Additionally, some TV networks have their own websites or apps where they offer a selection of old TV shows for free with ads. **

Online teaching is structured in a variety of ways, depending on the specific course and platform being used. Typically, online teaching involves a combination of live or pre-recorded lectures, interactive discussions, assignments, and assessments. Students may also have access to online resources such as readings, videos, and discussion forums. The structure of online teaching often allows for flexibility in when and where students can access course materials and participate in learning activities. **

Many actors do watch their own TV shows and movies, as it allows them to reflect on their performance and learn from their work. Some actors may find it difficult to watch themselves on screen, while others may enjoy seeing the final product. Ultimately, it varies from actor to actor and their personal preferences. **

There are several ways to watch free movies and TV shows. One option is to use streaming platforms that offer a selection of free content, such as Crackle, Tubi, or Pluto TV. Another option is to check if your local library offers a streaming service that includes movies and TV shows. Additionally, some networks and studios release episodes of their shows for free on their websites or YouTube channels. **

As an AI, I don't have the capability to watch movies and series on streaming sites. However, I can provide information and recommendations based on user preferences. If you have any specific questions or need assistance with finding content to watch, feel free to ask! **

There could be several reasons for the absence of online teaching. It could be due to lack of access to technology or internet connectivity for both students and teachers. Additionally, some educational institutions may not have the resources or infrastructure in place to support online teaching. Cultural or institutional resistance to change and preference for traditional teaching methods could also be a factor. Finally, some subjects or courses may require hands-on learning or in-person interaction, making online teaching less feasible. **