At present, lots of people would rather _______in the country because there is________ pollution in the city.
–How did he finish the work? --I hear that he did it _______.
--_____ do hunters hunt wild animals for? --For money.
The number of the pandas _______getting ___________.
--___ do you call her? --- We call her Xiwang.
There is _____ eagle in the tree. How big ______ eagle is!