The kid has down syndrome which can cause kids learning regular tasks at a later age. Don't quote me on this.<span />
Answer: Dennis will need to retake his board exams in seven years
Explanation:
Dennis passed his exam but knowing that he will have to take it again in seven years, he continues to study and keep up to date so he can take it again.
Just because Dennis has passed doesn't mean he should stop studying, he should go ahead and be ready for the next test.
Green plants, mice, snake, and hawk.
