Stephen Hawking believes that the earth is unlikely to be the only planet_______ life has developed gradually.(2010 .福建)
—What’s wrong with you, Darling? —I’m _____a fever. I think I am dying.
Would you please _____ the children down. They’re too excited.
—A good book is a good friend. You can get the help you need from it. —You said it. _____.
______from space, the earth with water _______70% of its surface looks like a “blue blanket”.
The colorful design _______ sixty candles and a flag will appear on the People Square on October 1.