In the US, ________ produces over half of the petroleum, three quarters of the natural gas, and all of the natural sulfur of the country.
A.the South B.the Midwest C.New England D.the Pacific Coast正确答案A
In the US, ________ produces over half of the petroleum, three quarters of the natural gas, and all of the natural sulfur of the country.
A.the South B.the Midwest C.New England D.the Pacific Coast正确答案A
