阿摩線上測驗
3. If there is an explosion, you should leave the building as quickly as possible. Do not stop to ________ personal possessions or make phone calls.
(A) retrieve
(B) retrace
(C) retreat
(D) retract
答案：登入後查看
統計： A(349), B(67), C(79), D(70), E(0) #2673765
統計： A(349), B(67), C(79), D(70), E(0) #2673765
