270826 Water makes up most of the earth's surface. CK 680771 We must take care of our planet, the earth. Source_VOA 1294730 What on earth does this have to do with me? Eldad 521016 The tree's roots extend deep into the earth. darinmex 66271 Why on earth did you resist taking medicine? CM 27044 Seen from space, the earth is very beautiful. al_ex_an_der 265382 The president is a down-to-earth kind of man. CM 238458 The whale is the largest animal on the earth. Nero 66266 What on earth did you put it on the menu for? CM 328215 What on earth spurred them to such an action? CM 66270 Why on earth did you take him to the station? CM 277178 All living things on earth depend one another. CM 1456810 Previously people believed the earth was flat. iggy 1738525 Seen from space, Earth seems relatively small. belgavox 277108 Three-fourths of the earth's surface is water. CM 277111 About one third of the earth's surface is land. CK 681986 Thousands of satellites orbit around the earth. Source_VOA 248625 We learned that the moon goes around the earth. Nero 275042 Without the sun, we couldn't live on the earth. Zifre 807613 Did God really create the earth in a single day? Source_VOA 453046 No country on earth is safe in this nuclear age. Swift 238777 Seen from the moon, the earth looks like a ball. CM 681000 Forests cover around 9.4% of the earth's surface. Source_VOA 282141 Rainforests provide the earth with many benefits. CK 277142 The earth is like a ball with a big magnet in it. Swift 307133 They know the importance of protecting the earth. CK 27507 Why on earth did you sell your newly-built house? NekoKanjya 277126 The earth is about six times as large as the moon. CK 65791 Many kinds of animals have vanished from the earth. CM 689751 The earth revolves on its axis once every 24 hours. ulyssemc1 1008611 The equator divides the earth into two hemispheres. CK 54654 What on earth are you doing in such a lonely place? CM 1675333 What on earth were you thinking, bringing him here? charlotte13 277093 People once mocked the idea that the earth is round. CM 277113 The earth moves at the rate of 68,130 miles an hour. CK 2280855 The earth rotates on its axis and it orbits the sun. ichivivi20 277158 There are many countries and many cultures on Earth. CM 56416 Copernicus taught that the earth moves around the sun. CK 18249 If it were not for air, we could not live on the earth. CK 275146 The sun is about 1,000,000 times as large as the earth. CK 282922 I couldn't figure out where on earth he was heading for. CM 277112 Two-thirds of the earth's surface is covered with water. CK 1463261 All humans on Earth are descended from a common ancestor. darinmex 1499934 In ancient times people believed that the earth was flat. emory989 1582751 It's gravity that makes satellites move around the Earth. eastasiastudent 325399 Land covers about 30 percent of the surface of the earth. CK 272851 The teacher asked me how the moon differs from the earth. CK 25340 If UFOs were to attack the earth, what would become of us? CK 238815 The gravity of the moon is one-sixth of that of the earth. CM 58272 There is nothing on earth that is not affected by the sun. CM