Deserts, dry areas with _____ no vegetation, cover more than one-third of the Earth's land surface.
After I saw the film Aftershock by Feng xiaogang , I havebetter understanding of life.
With few people _____ pigs, the price of pork _____.
—Listen! I heard the birds ______ around us. —Yeah, what beautiful music!
—Are you going to Tom’s birthday party? —________. I might have to work.
—How can I improve my memory? —________