問題詳情
____________________ did he realize that there was danger.
(A) Upon entering the store
(B) When entering the store
(C) Only after entering the store
(D) After he had entered the store
參考答案
答案：C
難度：適中0.615487
統計：A(96),B(91),C(461),D(101),E(0) #
個人：尚未作答書單：grin
用户評論
【g800828】評論
回5F，如果這題要用選項(D)的話，句子就必須變成如下普通的直述句：After he had entered the store, herealized that there was danger.不過因為題目已經提示在主要子句的主詞he之前有一個助動詞did，所以這題只能選(C)的倒裝句句型了。