Doctor Godmin says that (no matter) (how forceful) arguments (against) smoking there are, many people (persist) in smoking.

单项选择题If (allowed to) turn yellow, while still on the plant, bananas lose their (characteristically) good flavor, the skin (break open), insects (enter the inside), and the fruit rots.

单项选择题Perhaps the most important quality (shared) by all notable scientists is a strong determination (to solve) a problem, when it (arises) or to seek an explanation for a (phenomena).