________ in health，he persisted in doing the experiment[ ]

Michael Jordan is the greatest basketball player _________

John is very _______ if he promises to do something he’ll do it.[ ]

The old lady’s hand shook frequently. She explained to her doctor ________ this shaking had begun half a year before, and ________, only because of this, she had been forced to give up her job.

Their answers are exactly the same — one of them ______ from the other.