Answer:
A
Explanation:
B and D don't close the parentheses
C is used wrong, it should be commas instead of parentheses
Responsible
Because he knows he has to do what he promised to do.
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Answer:
omg one of my favorite books of all time
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Answer:
Ancient European explorers would not have went far without the Chinese.
Explanation:
You have to remove the comma because it results in an unnecessary pause.