Question

—What do you think of the book?
—Oh，excellent.It’s well worth _________time.

1. A.
   reading a second
2. B.
   reading the second
3. C.
   to read a second
4. D.
   to read the second

Answer 1

A
be well worth reading为很值得读，be worth后不能用不定式，也不能用被动语态。序数词与不定冠词a连用，表示“又一，再一”。