The first city _______ the Summer Olympics twice was Paris, France. 

Sample writing:

Independent learning often involves self-study – learning at home without a teacher. Let’s look at its pros and cons.

First, self-study gives learners more freedom. They decide what they should study and how to study depending on their abilities. Secondly, it can make learners responsible. They set their learning goals and make study plans to achieve them. Finally, it makes them more confident. Completing tasks and solving problems on their own boost learners’ confidence.

On the other hand, learners may need more time to learn things. They study at their own pace, with no one to push them or help them. Moreover, they may not develop certain life skills. For example, as they always study alone, they may have difficulty communicating or developing relationships. Finally, they may not learn practical skills. Focusing too much on theoretical knowledge, they may fail to apply their academic skills in real life.

In conclusion, learners should understand both the advantages and disadvantages to choose the right option. However, as education is changing all the time, they may have to get used to the challenges of independent learning.