22. If you are _____ of something or someone, you are cautious because you do not know much about them and you believe
they may be dangerous.
(A) warning
(B) wary
(C) weary
(D) worry
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統計: A(24), B(62), C(19), D(9), E(0) #868009
統計: A(24), B(62), C(19), D(9), E(0) #868009