Answer: B) Three slices of pizza could be eaten.
Explanation for this question is being written.
Answer: C) Can't be made.
Answer: D) Be watered.
Answer: B) Must be submitted.
Answer: B) His homework ought to be finished.
Answer: A) Be submitted.
Answer: B) Must be explored.
Answer: B) The tap fixed.
Answer: C) Could be sold.
Answer: B) Passive
Answer: A) Is thought to have.
Answer: A) Active Voice.
Answer: B) Is supposed to be signed.
Answer: A) Active
Answer: A) Can be used as symbol of the UK.
Answer: C) May be seen.
Answer: D) S+modal V+be+P2+by O.
Answer: A) This work must be finished quickly.
Answer: C) The tiger would be kept in the zoo.
Answer: D) Can the bus be blamed.
Answer: A) Active sentence.
Answer: A) The project must be finished by them.
Answer: B) Those windows really need to be cleaned soon.
Answer: B) Must be returned.
Answer: C) Can be made.
Answer: B) Modal + be + V3/ed.
Answer: C) Can be found.
Answer: C) Can be seen.
Answer: C) Should be sent.
Answer: B) Fasts must be observed by the Muslims.
Answer: A) True
Answer: C) The competition must be won by Benjamin.
Answer: B) Must be followed.
Answer: B) Passive voice.
Answer: C) A wedding planner should be hired.
Answer: D) We must have our car serviced.
Answer: B) Tommy might give the award.
Answer: B) Should be done.
Answer: C) Can/could be V3.
Answer: B) Must be sent.
Answer: D) Bicycles must not be left in the hall.
Answer: D) Should be returned.
Answer: A) Jimmy might be delayed to arrive on time.
Answer: A) The cake may be brought tomorrow by Julia.
Answer: D) May be stored.
Answer: A) Should have.
Answer: A) Should be fixed.
Answer: C) Modal + be + past participle.
Answer: A) Soda can be taken to the party.
Answer: B) B
Answer: C) The game should be canceled.
Answer: C) Both are correct.
Answer: C) Should be done.
Answer: A) Should be cleaned.
Answer: D) Considered
Answer: A) The project must be finished today.
Answer: B) Passive Sentence.
Answer: A) S + be + supposed + to V-inf + O.
Answer: D) D