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(419), B(491), C(492), D(97), E(367) #2308967
統計: A(419), B(491), C(492), D(97), E(367) #2308967