Wasitwhensearchingforthelostbookwhosecoverwasmissing　　...

問題詳情：

 Was it when searching for the lost book whose cover was missing 　　　 a secret letter addressed to his mother?　 

A. did he find　　                       B. until he found　　

C. that he found　　                    D. had he found

【回答】

C

知識點：倒裝與省略

題型：選擇題