Answer: A) Oil
Explanation for this question is being written.
Answer: B) Giving it full attention.
Answer: A) Get focused, start working; get the job done.
Answer: D) Throw in the towel.
Answer: D) Running on.
Answer: B) Idiom
Answer: A) To gradually stop or become less.
Answer: D) Herculean Effort.
Answer: B) Grasp
Answer: C) Give up.
Answer: C) To complete missed assignments and be up to date.
Answer: C) C] study from books.
Answer: C) Against a brick wall.
Answer: A) It's time to study.
Answer: B) A difficult problem.
Answer: C) To be easy or requiring little effort.
Answer: C) To start working seriously.
Answer: D) A group project.
Answer: B) Hit the books.
Answer: A) True
Answer: A) Hit the book.
Answer: B) Tinkering
Answer: A) Doing something with great effort, care, and dedication because one enjoys it or is passionate about it.
Answer: C) Trying very hard.
Answer: B) "I've got a lot on my plate.".
Answer: D) Trial and error.
Answer: B) Barely keep up with work.
Answer: B) The test was easy.
Answer: B) Go the whole nine yards.
Answer: B) You need to strengthen your skills.
Answer: D) Do
Answer: C) To work extremely hard.
Answer: C) Roll
Answer: A) A period of high pressure when one has to work hard to finish someth.
Answer: C) To do something without a plan.
Answer: D) Hit the books.
Answer: B) Overkill
Answer: B) B
Answer: D) You've taken on more responsibility than you can handle.
Answer: B) Include all necessary details; carefully check for any mistakes.
Answer: C) Fine
Answer: A) No longer skilled because of not practicing for a long time.
Answer: C) Slow down.
Answer: A) It's easy.
Answer: B) Tried to do too big a job.
Answer: D) Larry is studying late at night.
Answer: A) Burn the midnight oil.
Answer: A) Burned the midnight oil.
Answer: B) Oil
Answer: B) Bite the bullet.
Answer: C) The homework was very easy to complete.
Answer: D) Burnout
Answer: B) She works really hard.
Answer: A) Perfect
Answer: C) C
Answer: D) Grope
Answer: A) Bit off more than I could chew.
Answer: C) By doing sth.
Answer: D) Easy
Answer: B) To look everywhere possible.
Answer: B) Carrying coals to Newcastle.