問題詳情

【題組】71.
(A) By
(B) At
(C) Of
(D) As

參考答案

答案：A
難度：簡單0.827655
統計：A(826),B(38),C(22),D(112),E(0)

用户評論

【Liz】評論

71 offering choices of online volunteering, charities can do much more than ever. In addition, volunteers are able to help out more easily.