Over the past decades, sea ice in the Arctic as a result of global warming.
I don't think I need any money but I'll bring some_____.
_____, I will help you with your work.
Every minute should be made full ________ of _________ for the coming examination.
Tom, as well as his classmates, ___ publicly for their bravery action in time of danger.
Nowadays, more and more people are using private cars, ________ has caused a lot of traffic problems, especially in large cites like Beijing and Shanghai.