题目内容
9、No one can attain great achievements he concentrates on what he is doing, even though a talent.
A. because B. while C. unless D. if
试题答案
9、C
相关题目
No one can attain great achievements ________ he concentrates on what he is doing, even though a talent.
- A.because
- B.while
- C.unless
- D.if