複選題
23.It is difficult to prevent all accidents. It is unlikely to be totally ________ natural disasters.
(A) free from
(B) immune to
(C) exempt from
(D) make from
(E) keep from
答案:登入後查看
統計: A(384), B(453), C(447), D(90), E(333) #2308967
統計: A(384), B(453), C(447), D(90), E(333) #2308967