A professor reported that he____________(已发现一种新方法帮助老人) improve their memories.A

游客2024-02-25 51

问题 A professor reported that he____________(已发现一种新方法帮助老人) improve their memories.

选项

答案 A professor reported that he had discovered a method to help the old improve their memories．

解析因discovered发生在reported之前，所以在report引导的宾语从句中谓语动词需用过去完成时态，即had discovered表达。

转载请注明原文地址:https://tihaiku.com/zcyy/3482610.html

相关试题推荐

随机试题

最新回复(0)

[originaltext]M:ProfessorBensonisworkinginhislabthisafternoon.W:But