【单选题】The language of the Sumerians, __________, is unrelated to any known language. A. which remains obscure origin B. whose origin remains obscure C. whose remains obscure origin D. wh

You've got a good result in your research, haven't you? Yes , but much（ ） A: remains to do B: is remains to do C: remains to be done D: has remained to do it

The _____________ of the election remains in doubt.

He remains ____________ about the future.

in software ,it remains a one horse

It remains now to determine an and bn.

If you take eight from ten, _______. A: two remained B: two remains C: remains two D: remain two

With mortgage loans, unless and until the occurrence of default or full repayment, ______. A: the ownership of the property remains in borrowers arid the possession of property usually remains in mortgagors B: both the ownership and the possession of the property remain in mortgagors C: both the ownership and the possession of the property remain in mortgagees D: The ownership of the property remains in mortgagees and the possession of property usually remains in mortgagors

who said that education is what remains

_____________ remains unclear who will be elected ministers.