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 answer is D, as it describes to us on how you feel when u have a puppy for the first time.
Romeo's love for Juliet was a case of love at first sight. As soon as he saw her, he fell in love.