The best title for this passage could be_________.
A.E-books to replace P-books B.E-lending, an Essential Service C.E-lending, a Natural Offer in the Modern Age D.E-books, an Unexpected Twist for Public Libraries and Publishers正确答案D
The best title for this passage could be_________. 
The best title for this passage could be_________.
A.E-books to replace P-books B.E-lending, an Essential Service C.E-lending, a Natural Offer in the Modern Age D.E-books, an Unexpected Twist for Public Libraries and Publishers正确答案D
