問題詳情
5. The pain-killing agent most commonly administered in dentistry is the local anesthetic, _____ loss of feeling only in aspecific area.
(A) who be produced
(B) which produces
(C) where produces
(D) that be producing
(E) which is produced
參考答案
答案：B
難度：適中0.5
統計：A(1),B(8),C(1),D(2),E(2)