Which of these statements has a formal tone?
for coming to our party. we all had a great time.
it was an awesome party. for coming, man.
you for joining us at the end of the year celebration. a fabulous time was had by all.
the end of the year blow-out was a great party. glad you could make it.

C. Thank you for joining us at the end of the year celebration. A fabulous time was had by all.

*(just took test and this was correct answer)*

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).

what makes a hero is someone who tries and acres and then to save people and it’s not their jobs to save them just a normal person that has no experts of saving people would jump in to action without it twice about doing it. me that’s the defection of a hero!