A fire broke out in a commercial mall unexpectedly, ________ the customers and the persons working there fleeing for safety.
— What do you think made him put into prison? —_______ stealing the valuables.
Mrs. Green wants to buy that kind of cloth because she___________ that the cloth__________ very well.
Let us not waste____________ time we have left.
Nobody noticed the thief slip into the house because the lights happened to__________.
--- I have great difficulty figuring out the answer to this problem. --- _____ my advice, you ____ less difficulty with such problems.