阿摩線上測驗
2. The number of registered participants in this year's marathon was half _____.
(A) of last year's
(B) those of last year's
(C) of those of last year
(D) that of last year's
答案：登入後查看
統計： A(3), B(0), C(3), D(0), E(0) #3443495
統計： A(3), B(0), C(3), D(0), E(0) #3443495
