-- _____is that used for?---_____ the floor.
The prices of the car-transporting service depend on the vehicle size and distance, ______ ranging from 2,000 yuan ($323) to 4,000 yuan for a single trip.
Too many young people doing volunteer work just for their resumes is ______ to the very purpose of volunteer groups and reduces their effectives.
It’s high time that we gave ______ attention to our world climate and led a low-carbon life, or the consequence would be too serious for us to face.
News reports say peace talks between the two countries have ______ without reaching any agreement.
The shortage of entry-level job is the main reason that more university students are ______ business of their own right after graduation.