The big fire in Shanghai, believed to ______ due to the burning of construction materials, caused 58 deaths and destroyed all the belongings of the people there.
You can either have the double room or the family room,________ you want.
Last month, American scientists started working on _____ project aimed at improving _______ ability to predict earthquake.
-Does Bill do his new job well?-_______ his old job. I’m afraid there’s no hope for him.
It’s impossible for a person______ a sense of responsibility to succeed.
________ of the truth of the reports, he told his colleagues about it.