Direction: In these questions, sentences are given with blanks to be filled in with an appropriate word(s). Four alternatives are suggested for each question. Choose the correct alternative out of the four.
- 
					 The strike has been called ___.
 
- 
                        
-  of 
 -  at
 -  off 
 - up
 
 -  of 
 
Correct Option: C
call off (Phr. V.) : to cancel something; to decide that something will not happen
Here, off is the right usage.