阿摩線上測驗
18. 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(117), B(36), C(118), D(169), E(0) #2905542
統計： A(117), B(36), C(118), D(169), E(0) #2905542
