Answer: A) Knows everything inside out.
Explanation for this question is being written.
Answer: A) Think intelligently.
Answer: A) He lacks intelligence.
Answer: A) To waste time or act in a playful, unserious manner.
Answer: B) An expert.
Answer: D) Fun
Answer: B) Owl
Answer: A) Walking encyclopedias.
Answer: A) Grey
Answer: C) Lacking in intelligence or the ability to think.
Answer: C) Caps
Answer: D) Thick
Answer: A) Height
Answer: D) A bookworm.
Answer: A) Brainwave
Answer: B) Wise character.
Answer: B) Knowledge from books and studying.
Answer: A) He's very clever.
Answer: C) Brains
Answer: A) Made simpler and less intelligent.
Answer: C) Natural and intuitive.
Answer: A) A
Answer: B) Make
Answer: B) Intelligent people share similar ideas.
Answer: A) A smart cookie.
Answer: D) As sharp as a razor.
Answer: A) Rocket science.
Answer: A) Strange, foolish or dangerous.
Answer: B) Jack is a very intelligent person.
Answer: B) Mindlesss
Answer: D) To have no idea or knowledge about something.
Answer: B) Idiom
Answer: B) Thanks, I know:).
Answer: A) To not be stupid or easy to deceive.
Answer: B) Acts like a child.
Answer: B) Too right! She's as thick as two short planks!
Answer: C) Foolish
Answer: B) Ignores his own shortcomings and thinks about other peopl's shortcomings.
Answer: B) Brainy
Answer: A) One-track mind.
Answer: B) Trickery
Answer: D) All wisdom.
Answer: D) Has a memory like a sieve.
Answer: B) To be smart, intelligent.
Answer: C) Out of his mind.
Answer: B) Fast to understand.
Answer: B) Acting crazy.
Answer: C) "enlightened one".
Answer: D) Are very smart.
Answer: B) Slow on the uptake.
Answer: B) The foolish man.
Answer: B) Delusional
Answer: C) Eager, curious mind.
Answer: A) He's dumb.
Answer: A) I am smart.
Answer: D) Foolish
Answer: C) Have a screw loose.
Answer: D) No correction required.
Answer: C) Demented
Answer: C) You're smart.
Answer: B) You are ingenious.