問題詳情
1. Before discussing the procedures in detail,__________.
(A) a general principle should be laid down
(B) I shall like to lie down the general principle
(C)I'd like to lay down a general principle
(D)a general principle lies
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增