Answer: D) Should
Explanation for this question is being written.
Answer: B) Shouldn't
Answer: A) No
Answer: B) Have gone.
Answer: B) Should
Answer: B) Advice
Answer: D) It's advisable that young people not watch TV and play computer games too much.
Answer: C) To express advice.
Answer: C) Should
Answer: A) Should
Answer: D) Had better not.
Answer: A) A modal verb and a bare infinitive.
Answer: B) WRONG
Answer: C) Shouldn't
Answer: A) True
Answer: A) 'Please sit down.' is a request; 'You should sit down.' is advice.
Answer: A) Should / doesn't have to.
Answer: A) Should go.
Answer: B) Should not.
Answer: D) Could
Answer: B) You shouldn't.
Answer: B) Ought to.
Answer: D) Shouldn't
Answer: B) -
Answer: C) Don't forget to put on goggles!
Answer: B) Have
Answer: B) Ought not to.
Answer: A) You should stop playing video games all day long and organize your time.
Answer: D) Ought not.
Answer: C) Shouldn't have done.
Answer: A) They should finish their homework.
Answer: C) Do
Answer: C) Should not.
Answer: A) Shouldn't
Answer: C) Giving advice.
Answer: C) Social distancing and lockdown.