You know (a proper article) sea covers more than 70 percent of the surface of the earth.
举一反三
- 中国大学MOOC: You know sea covers more than 70 percent of the surface of the earth.
- You know sea covers more than 70 percent of the surface of the earth. A: the B: an C: a D: /
- More than seventy percent of the water on the earth is sea water.
- More than 70% of the earth's surface ( ) covered by water. A: are B: is
- 31.Water covers more than _______of the earth’s surface. A: 60% B: 70% C: 80% D: 30%