Selected MCQ

Current Question
Only one nurse was ___ duty in the emergency ward.
  • A. at
  • B. in
  • C. on
  • D. under
Correct Answer: C
Explanation:
The phrase is on duty for someone currently working.
Related Question 1
We noticed the hidden garden only ___ chance.
  • A. by
  • B. on
  • C. in
  • D. with
Correct Answer: A
Explanation:
The idiom is by chance for something discovered accidentally.
Related Question 2
Emergency supplies should be kept close ___ hand.
  • A. in
  • B. on
  • C. at
  • D. by
Correct Answer: C
Explanation:
The idiom is at hand for something nearby and available.
Related Question 3
The receptionist is not ___ duty after 6 p.m.
  • A. at
  • B. in
  • C. on
  • D. under
Correct Answer: C
Explanation:
The phrase "on duty" means someone is actively working.
Related Question 4
The ambassador accepted the award ___ behalf of the research team.
  • A. on
  • B. in
  • C. at
  • D. with
Correct Answer: A
Explanation:
The phrase "on behalf of" is used when acting as a representative.
Related Question 5
The sculpture is made of bronze; ___ fact, it only looks like stone from a distance.
  • A. on
  • B. at
  • C. in
  • D. by
Correct Answer: C
Explanation:
The idiom is, in fact, for a true correction or clarification.