Direction: Sentences are given with blanks to be filled in with an appropriate and suitable word. Four alternatives are suggested for each question. Choose the correct alternative out of the four.
- 
					 When the thief entered the house, the inmates ....in the hall.
 
- 
                        
-  were slept
 -  were sleeping
 -  slept
 - had been sleeping
 
 -  were slept
 
Correct Option: B
The action is showing a Past Progressive Tense. So, were sleeping is the right usage.