The sentence that is best as it is is option B: Only Dave will go with us; the others are busy. The rest of the sentences contain incorrect parts such as the proper use of the word "only". In the first sentence, it should be "only to watch". In the third sentence, it should be "only drinks water". In the third sentence, it should be "Only Leah studied".
It is the brainstorming phase. In this step, you decide your topic or subject and the purpose of you writing it as well as who your audience will be.
The story reads well up through sentence 5, but things get a bit confusing with sentence 6. What makes Renee blush? Is it really in response to her ringing the doorbell? Sentence 7, the answering of the door, should naturally follow sentence 5, the ringing of the bell. So where, then, should sentence 6 go? We learn in sentence 8 that Renee is the only person wearing a costume. If you consider what it is that makes Renee blush, it stands to reason that sentence 6 should follow sentence 8. Thus, the best answer here is B.
Freedom has cost us a lot because of how valuable it is therefore we should defend it