Answer:
One must work hard to achieve goals in life.
Answer:
How often do you review your lessons?
Explanation:
This is a question directed towards the other person. Therefore, "do you review" in the present tense is your best answer, as it is "up to the present point".
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Answer:
D
Explanation:
A colon normally is used before listing a number of things.
John White probably thought that the Great Fire killed everyone in Roanoke.