Fill in the Blanks MCQs

  1. He would have succeeded _ he worked more diligently.
    A) unless
    B) if ✅
    C) although
    D) until
  2. She remained calm, _ everyone else was panicking.
    A) although ✅
    B) because
    C) unless
    D) if
  3. I would have spoken to her _ she had been available.
    A) if ✅
    B) unless
    C) although
    D) until
  4. The students must submit their projects on time, _ they risk losing marks.
    A) otherwise ✅
    B) although
    C) because
    D) until
  5. She behaves as if she _ the most knowledgeable person in the room.
    A) is
    B) were ✅
    C) was
    D) has been
  6. No sooner _ the meeting started than the projector stopped working.
    A) had ✅
    B) has
    C) did
    D) was
  7. I’ll wait here _ you finish your phone call.
    A) until ✅
    B) unless
    C) although
    D) if
  8. He refused to apologize, _ everyone expected him to.
    A) although ✅
    B) unless
    C) because
    D) until
  9. I cannot imagine _ such a complicated task alone.
    A) doing ✅
    B) do
    C) done
    D) does
  10. She speaks to him as though she _ superior to everyone else.
    A) is
    B) were ✅
    C) has been
    D) was
  11. I doubt whether he _ the terms of the agreement.
    A) will understand ✅
    B) understands
    C) understood
    D) has understood
  12. The moment he _ the instructions, he started working immediately.
    A) receives
    B) received ✅
    C) has received
    D) will receive
  13. I would rather you _ the report before submitting it.
    A) review ✅
    B) reviews
    C) reviewed
    D) reviewing
  14. He acts in such a way _ no one can predict his next move.
    A) that ✅
    B) which
    C) whom
    D) whose
  15. She left early, _ she had promised to stay until the end.
    A) although ✅
    B) because
    C) unless
    D) until
  16. It is essential that he _ the contract carefully before signing.
    A) reads
    B) read ✅
    C) has read
    D) reading
  17. I would have gone to the seminar _ I had known the speaker was so renowned.
    A) if ✅
    B) unless
    C) although
    D) until
  18. He looked at her as though he _ deeply offended.
    A) is
    B) were ✅
    C) was
    D) has been
  19. I cannot begin the experiment _ all the necessary equipment is prepared.
    A) until ✅
    B) unless
    C) although
    D) if
  20. She acted as if she _ the authority to make decisions for everyone.
    A) has
    B) had ✅
    C) will have
    D) has had
  21. I would have been more confident _ he encouraged me.
    A) because ✅
    B) although
    C) unless
    D) if
  22. No sooner _ the teacher entered than the students stood up.
    A) had ✅
    B) has
    C) did
    D) was
  23. I will forgive you _ you admit your mistake sincerely.
    A) if ✅
    B) unless
    C) although
    D) until
  24. She speaks so fluently, _ it seems she has lived abroad for years.
    A) that ✅
    B) which
    C) whom
    D) whose
  25. He pretended _ he had no knowledge of the problem.
    A) that ✅
    B) which
    C) whom
    D) whether
  26. I wish I _ more attentive during the meeting yesterday.
    A) were
    B) had been ✅
    C) have been
    D) was
  27. He acted in such a way _ everyone thought he was guilty.
    A) that ✅
    B) which
    C) whom
    D) whose
  28. I will help you as long as you _ my instructions carefully.
    A) follow ✅
    B) follows
    C) followed
    D) following
  29. She looked as though she _ the entire plan in mind.
    A) has
    B) had ✅
    C) have
    D) will have
  30. I doubt whether they _ able to complete the task on time.
    A) will be ✅
    B) are
    C) were
    D) have been
  31. I would rather he _ me honestly instead of hiding the truth.
    A) tell
    B) told ✅
    C) have told
    D) will tell
  32. Hardly _ he started speaking when the phone rang.
    A) had ✅
    B) has
    C) did
    D) was
  33. He refused to leave, _ everyone advised him to do so.
    A) although ✅
    B) because
    C) unless
    D) if
  34. It is unlikely _ the plan will succeed without proper coordination.
    A) that ✅
    B) which
    C) if
    D) whom
  35. I would have completed the project earlier _ I had received the data on time.
    A) if ✅
    B) unless
    C) although
    D) until
  36. She acts as if she _ the final decision-making authority.
    A) has
    B) had ✅
    C) will have
    D) has had
  37. I cannot imagine _ a task of this magnitude alone.
    A) undertaking ✅
    B) undertake
    C) undertook
    D) to undertake
  38. The moment she _ the email, she replied immediately.
    A) receives
    B) received ✅
    C) has received
    D) will receive
  39. He behaved in such a way _ nobody trusted his words.
    A) that ✅
    B) which
    C) whom
    D) whose
  40. I doubt whether he _ all the necessary qualifications for the position.
    A) has ✅
    B) have
    C) had
    D) will have
  41. She pretended _ she had no involvement in the incident.
    A) that ✅
    B) which
    C) whom
    D) whether
  42. I would rather you _ your opinion openly rather than keeping it secret.
    A) express ✅
    B) expresses
    C) expressed
    D) expressing
  43. He acted as though he _ the entire situation under control.
    A) has
    B) had ✅
    C) will have
    D) has had
  44. I cannot leave the house _ all the doors are locked.
    A) until ✅
    B) unless
    C) although
    D) if
  45. She looked at him as if she _ deeply impressed.
    A) is
    B) were ✅
    C) was
    D) has been
  46. The teacher insisted that all students _ attentive during the lecture.
    A) remain ✅
    B) remains
    C) remained
    D) remaining
  47. I wish I _ taken more notes during the lecture.
    A) have
    B) had ✅
    C) has had
    D) will have
  48. He continued working, _ everyone warned him to rest.
    A) although ✅
    B) because
    C) unless
    D) if
  49. She will succeed in her career _ she works diligently.
    A) if ✅
    B) unless
    C) although
    D) until
  50. No sooner _ he received the call than he rushed to the airport.
    A) has
    B) had ✅
    C) did
    D) was

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