57 The ship is on fire and the crew members onboard the ship require _________ because the smoke is
toxic.
(A) ballast water
(B) fuel oil
(C) breathing apparatus
(D) potable water
答案:登入後查看
統計: A(7), B(13), C(144), D(11), E(0) #2939509
統計: A(7), B(13), C(144), D(11), E(0) #2939509