複選題
38.These steep stairs look ______. Mind your step, please!
(A) dangerous
(B) hazardous
(C) risky
(D) humiliate
(E) perilous
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統計: A(476), B(426), C(450), D(38), E(185) #3234504
統計: A(476), B(426), C(450), D(38), E(185) #3234504