Answer:
I’m not fully sure but in my opinion i would think, “You can not learn in the future unless you learn from your mistakes.” I hope this helps, Sorry if it is wrong.
Best of luck!!<3
"<span>C. She was able to answer most students' questions"" is incorrect because student should be singular. It should </span>be "<span>She was able to answer most of the students' questions.</span>"
The speaker goes outside. A.
<span>"Excuse me…'scuse me…sorry!" He gets up and heads for the exit. He walks outside and, what a difference! <------ From "When I heard the Learn'd Astronomer."
</span>
I hope this helps. C: