A decline in electricity output forces industrial estates and cities to burn more coal and give out more carbon to _________ the shortfall.
The factory used 65 percent of the raw materials,the rest of whichsaved for other purposes.
—Why does the lake smell terrible? —Because large quantities of water_______________.
One-third of the country____covered with trees and the majority of the citizens_______black people. A is;are B is;is C.are;are D.are;is
Was it not until you began to work —— how much time you had wasted?
After studying mass of data,they drew a conclusion ________China is still a developing country.