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.
Before our study we did not have data that could tell us __ those changes were small or large .
Generally speaking , almost all the kids are ______about how everything around them works.
Our government’s plan to fight against air pollution will focus on _____ information and handling PM2.5.
Each time I ________ a good essay when reading newspaper , I cut it out and keep it.
A harmonious society is very important , so all the laws must be strictly _________.