問題詳情
As your instructor advised, you ought to spend your time on something ____ researching into.
(A)precious
(B)worth
(C)worthy
(D)valuable
參考答案
答案：B
難度：適中0.428571
統計：A(1),B(45),C(32),D(13),E(0)
用户評論
【Darrell Lin】評論
(C)worthy, 一般會加上 of, ex: worthy of Ving.