The last one is correct hope this helped you
please give brainliest
Answer:
Will Human Life on Earth Come to an End?, Seventh Grade ...www.readworks.org
Explanation:
That's incorrect usage.
You'd say "I haven't seen him"
Answer:
No.
Explanation:
Because some teachers do put in their bests to teach the students but some students, no matter how much you teach them, they won't learn and that's not the teacher's fault. Though, the teachers should find a way to make the student learn, if the student still refuses to learn the teacher cannot be blamed.