Adult education has become popular ____.
A.because many old people are changing their professions B.because some people are looking for better jobs C.because they have high costs for repairs and advanced technology D.all of the above正确答案D
Adult education has become popular ____.
A.because many old people are changing their professions B.because some people are looking for better jobs C.because they have high costs for repairs and advanced technology D.all of the above正确答案D
