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
選項是C.
如果我的回答對你有所幫助,請點擊本頁面中的“選為滿意回答”按鈕,為啥選C呀因為只有詞組be worth doing sth=be worthy of= worthy to be done，所以排除選項A、B和D選項.。又如：It is worthwhile visiting the museum或（to visit the museum）參觀這個博物館是值得的。但不能說：The museum is worthwhile visiting如果我的回答對你有所幫助，請點擊本頁面中的“選為滿意回答”按鈕，謝謝！