25. If the special edition of a book is hard to come by, it
(A)can be found in almost any bookstore.
(B)is a hardcover edition.
(C)is difficult to find.
(D)is cheap to get.

答案：登入後查看
統計： A(45), B(89), C(650), D(13), E(0) #31601

林珮甄

B1 · 2010/06/26

#48006

come by 得到

Joy :) 考上國小英語師囉，謝謝阿摩~

B2 · 2012/06/17

#396953

Idiom Definitions for 'Hard to come by'

If something is hard to come by, it is difficult to find.