Read the topic sentences and think of appropriate supporting ones. There is an example given for each topic to help you

1 Owning a car has certainly got its advantages.

You have more freedom as you do not depend on public transport and its timetable.

2 There are also drawbacks to having computers in the classroom.

Computers do not promote group learning and the exchange of ideas between teachers and students.

3 Space exploration has its advantages for humanity.

Many useful inventions, such as cancer detection equipment in hospitals, were originally developed by NASA.