Two-thirds of the earth's surface (be) ______ covered with water.
举一反三
- __________ of the surface of the earth __________ covered with water. A: A third; is B: A third; are C: Two thirds; is D: Two thirds; are
- （） of the earth’s surface is covered with water. A: Two-third B: Second-thirds C: Second-third D: Two-thirds
- ______ of the surface (表面) of the earth is covered with water. A: First third B: B. Two thirds C: One three
- Two thirds of the earth _________ covered by water. A: are B: be C: has D: is
- 75% of the Earth's surface is covered with water.