—What do you think of the book? —Oh excellent. It’s worth a second time.A. to readB. to

问题补充：

—What do you think of the book?

—Oh , excellent. It’s worth a second time.

A. to read

B. to be read

C. reading

D. being read

答案：

A. to read

B. to be read

(答案→)C. reading

D. being read

解析：在“be worth”结构中，只能用动名词的主动形式表被动意义。在be worthy后可不定式的被动式或of+动名词的被动式。动词want,need和require表示“需要”时，可用动名词的主动形式表示被动意义，也可用不定式的被动形式。