Multiple choice

Directions: The following sentence tests correctness and effectiveness of expression. Part of the sentence or the entire sentence is underlined; beneath the sentence are five ways of phrasing the underlined material. Choice (1) repeats the original phrasing; the other four choices are different. If you think the original phrasing produces a better sentence than any of the alternatives, select choice (1). If not, select one of the other choices.

Last but not the least, I would like to thank all the workers without whose co-operation, the rally wouldn't be a success.

  1. Last but not the least, I would like to thank all the workers without whose cooperation,

  2. Last but not the least, I would thank all the workers without whose cooperation,

  3. Last but not least, I would like to thank all the workers without whose cooperation,

  4. Last but not the least, I would like to thank all those workers without their co-operation,

  5. Last but not least I would like to thank all the workers without their cooperation

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The original sentence bears idiomatic error. The correct idiom is 'last but not least'. The option corrects the idiomatic error without changing meaning of the sentence.