【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
举一反三
- The origin of the word remains obscure, but it is certainly not from Greek.（） A: not well-known B: not very important C: not known D: difficult to understand
- English is known as a world language, regularly used by many nations whose English is not their first language.
- What can be the best title for the text A: Sign language and spoken language. B: The history of NSL. C: Findings about sign language. D: The origin of language.
- Her overall language proficiency remains that of a toddler. A: disabled B: pupil C: baby D: teenager
- there are some well-known theories about the origin of language