He escaped from death, because he changed his plan _____ the last minute.
The disaster-stricken village was inaccessible ___________ by helicopter, and the storm added to the rescuers’ difficulty.
My parents always remind me to make sure the electricity is turned off while I am having a bath, which would _____________ cause danger, leading to a dreadful consequence.
According to the rules,all drivers ________ this traffic accident are to be taken to the police station to make their statements.
While the government says there is a(n) ________supply of houses,prices of apartments have been going up these years.
Car dealers also have a tough time in bad economy. Therefore,they have to ________ their business model to overcome the difficulties.