题目内容

16、It was 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

试题答案

16、C

相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网