Theres much more water than land on the (23) ___ of the earth. The seas and oceans cover nearly four-fifth  of the whole world, (24)___ only one-fifth of land. If you traveled over the earth in different directions, you would have to spend (25) ___ more of your time on water that on roads or railways. We sometimes forget that for every mile of land there are four miles of water. Theres so much water in the surface of our earth that we have to use two words to describe. We use the word SEAS describes those parts of water surface which only few hundreds of mile, the word OCEANS to describe the huge area of water (26) ___ are thousands of miles wide and very deep. 23. A. cover        B. surface         C. outer          D. outside 24. A. and B. because D. or D.If 25. A. many          B. much         C. few           D. too 26. A. thats         B. which          C. where        D. Whose