Change from active to passive

8. My friends call me Sami

Sami is what her friends call her.

Explanation:

Hope this helps :)

c) in the address bar

explanation:

this is the only place where url's may be found or entered in to successfully get to a web page.

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).