question_answer

Direction: In the following questions, a part of the sentence is printed in bold. Below are given alternatives to the bold part as [a], [b] and [c] which may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is ?[d]?.

Unless you don't be persistent in your efforts you will not be able to succeed.

A)  Unless you should be     

B)  Until you don't be

C)  Unless you are  

D)         No improvement

Correct Answer: C

Solution :

 Replace Unless you do not be by Unless you are because unless shows negative sense-(if not). Look at the sentences: