Its past, "have experienced" meaning they've already been through it
Set the flash button to off.
Answer:
A best describes the answer.
Explanation:
Because B is cost to the passage
C cannot be the answer because the narrator himself utter the words
D is far enough from the answer as there is no such words used as chest in the parragraph
Answer:
A = an important step in metacognition
Explanation:
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