He thought it was _____ volunteer work,though it meant that he would have little spare time to enjoy himself.
A.worth to do B.worthy to doing C.worthwhile to do D.worth do
选项是C.
如果我的回答对你有所帮助,请点击本页面中的“选为满意回答”按钮,为啥选C呀因为只有词组be worth doing sth=be worthy of= worthy to be done，所以排除选项A、B和D选项.。又如：It is worthwhile visiting the museum或（to visit the museum）参观这个博物馆是值得的。但不能说：The museum is worthwhile visiting如果我的回答对你有所帮助，请点击本页面中的“选为满意回答”按钮，谢谢！