—What do you think of the play?—Oh excellent! It’s worth a second time.A. seeingB. to see

问题补充：

—What do you think of the play?

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

A. seeing

B. to see

C. to be seen

D. being seen

答案：

(答案→)A. seeing

B. to see

C. to be seen

D. being seen

解析：句意：--你认为这部戏怎样？--很好，它值得再看一次。这里be worth doing值得做某事，这里doing不能用被动关系，故选A。