Umm...I can't help you with the video example one, but the answer to number 1 would be context clues. Inferring things is all about taking what you know based on the context and basically making an educated guess. Number 3 would be true based on what I already said.
After test would be your answer for sure :)
Answer:
more info please sorry i could not help.
Explanation:
Answer:
Mr. Jack shook my hand.
We need to solve the puzzl<u>e</u>.
My birthday is on the fo<u>u</u>rth of ____.
Chew food before you swallow it.