問題詳情

42 Mr. Jones has to be _____ all the time over his rare species of rose grown in the glass house, lest it should bestolen.
(A)allergic
(B)on guard
(C)primitive
(D)in sight

參考答案

答案:B
難度:適中0.612903
統計:A(13),B(114),C(28),D(18),E(0)

內容推薦

內容推薦