阿摩線上測驗
26. At least _____ of the population would be wiped out if anything goes wrong with the machine.
(A) second-fifth
(B) two and five
(C) two-fifths
(D) two-fives
答案：登入後查看
統計： A(4), B(1), C(28), D(0), E(0) #3710450
統計： A(4), B(1), C(28), D(0), E(0) #3710450
