Answer: D) Far and wide.
Explanation for this question is being written.
Answer: A) More-merrier
Answer: B) Again and again in opposite directions.
Answer: A) Over and over.
Answer: A) To a certain extent.
Answer: A) Knowing everything in detail about a topic.
Answer: A) Fun and games.
Answer: C) Seen together.
Answer: A) Hustle and bustle.
Answer: B) Kind-hearted
Answer: B) Bits and pieces.
Answer: C) Forth
Answer: B) Leaps and bounds.
Answer: A) Different from each other.
Answer: D) I'm a Londoner born and bred.
Answer: A) Abstract with lawyer's opinion.
Answer: A) Pearls, thread.
Answer: A) One by one.
Answer: C) C
Answer: C) Now and then.
Answer: A) Invalid
Answer: A) Bipartisan
Answer: C) Part and parcel.
Answer: D) We are completely different.
Answer: A) High and low.
Answer: C) Walks
Answer: B) B
Answer: A) Rain or shine.
Answer: A) Ins and outs.
Answer: A) Treasure
Answer: D) A small amount, a little left over.
Answer: C) Parcel
Answer: B) Derring-do
Answer: A) Quickly
Answer: B) Vis-a-vis
Answer: C) A necessary and inseparable part.
Answer: C) Automatically configures new devices after install them.
Answer: D) Honest
Answer: A) Pros and cons.
Answer: D) Crescent Moon.
Answer: B) Really clean.
Answer: B) Far and wide.
Answer: D) Generally
Answer: A) Rough and ready.
Answer: A) Nuts and bolts.
Answer: C) To be superior to everyone.
Answer: B) Bunch
Answer: C) Without legal effect.
Answer: D) Neat and clean.
Answer: D) Step by step.
Answer: A) Idiomatic Constructions, Word Pairs, Unique Sounds and Sound Patterns, Miscellaneous Complexities.
Answer: B) Vallen en opstaan.
Answer: C) Ups and downs.
Answer: C) In person.
Answer: B) Rush and din.
Answer: A) Odds and ends.
Answer: C) As white as a sheet.
Answer: C) Hard and fast.
Answer: C) Sphere of influence.
Answer: C) Per capita.