Answer:
the answer is an eccentric scientist
Can you give more detail please?
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".
The best time to revise your thesis statement is in the conclusion giving your reasons why and a counter argument
The answer is True. If you add that in the thesis statement then you couldn't write it in the essay itself.