21 Many tourists can easily fall ______ to the pickpockets in some crowded tourist spots.
(A) bait
(B) prey
(C) decoy
(D) trap
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統計: A(4), B(26), C(9), D(40), E(0) #2886353
統計: A(4), B(26), C(9), D(40), E(0) #2886353