Answer:
A. kept the truth a secret
Explanation:
he said that he was to humiliated to tell any body the truth
By explaining problems and giving solutions! this is the best fit because the other two might make sense at a first glance, but only explaining problems and solutions would be an effective way to teach people how to set up an aquarium by giving them examples of what to do and what not to do whereas the others are just him talking about his aquarium.
1, the answer is c
2, the answer is c
3, the answer once again is c
4, the answer is b
The airplane had flown over the country.
Hope this helps!
The answer that best answer this question is
C. The time required for mastery is consistent across a wide variety of skills
