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
A: not well-known
B: not very important
C: not known
D: difficult to understand
举一反三
- 【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
- (As is known) to all, sometimes it is very (difficult) to (tell) the difference between technical English (from) everyday English. A: As is known B: difficult C: tell D: from
- (As is known) to (all), sometimes it is very difficult (to tell) the difference between technical English (from everyday English). A: As is known B: all C: to tell D: from everyday English
- _______ that he could speak English very well, they all came to practise English with him. A: He being known B: It was known C: He was known D: It being known
- ____ we is known to all, English is not very difficult to learn. A: What B: As C: That D: Which