Though the book is a little expensive, it is _____.


  1. A.
    very worth buying
  2. B.
    well worth to be bought
  3. C.
    well worth buying
  4. D.
    very worthy buying
C
解析：
考查短語：be worth doing值得做某事，非常值得用well而不用very修飾，所以選C。
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