1. Despite the fact that robots make teacher's job easier, they cannot help teach students social skills.
Despite making teacher's job easier, robots cannot help teach students social skills.
2. Although robots can be used in distance learning, they are not able to replace a human teacher.
Robots are not able to replace a human teacher although they can be used in distance learning.
3. Robots are very useful in the classroom although they are expensive.
Although robots are expensive, they are very useful in the classroom.
4. Even though robots can't display human emotions, they can be exciting for students.
Robots can be exciting for students even though they can't display human emotions.
