摘要： The work is easy for an expert it is difficult for an inexperienced person. A. because B. therefore C. while D. unless
网址：http://m.1010jiajiao.com/timu3_id_3159860[举报]
_The work is easy for an expert _______it is difficult for an inexperienced person.
A.because B.therefore
C.while D.unless
查看习题详情和答案>>The work is easy for an expert _______it is difficult for an inexperienced person.
- A.because
- B.therefore
- C.while
- D.unless