As your instructor advised, you ought to spend your time on something ____ researching into.
(A)precious
(B)worth
(C)worthy
(D)valuable

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統計： A(4), B(73), C(63), D(24), E(0) #356636

詳解 (共 1 筆)

#449676
(C)worthy, 一般會加上 of, ex: worthy of Ving.
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