41.The spies grew wary as they approached the sentry.
(A) fearful
(B) worried
(C) anxious
(D) cautious

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統計： A(17), B(12), C(12), D(89), E(0) #1598282

詳解 (共 2 筆)

#5066294

cautious (a.)小心的；謹慎的 = wary = circumspect = prudent

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