Acute hearing helps most animals sense the approach of thunderstorms long before

游客2023-11-08 54

问题 Acute hearing helps most animals sense the approach of thunderstorms long before people

选项 A、do
B、hear
C、do them
D、hearing it

答案 A

解析本题由before引导的从句中，people的谓语与主句中宾语animals的补语动词(sense)相同，因此为避免重复由助动词do替代。

转载请注明原文地址:https://tihaiku.com/zcyy/3169761.html

相关试题推荐

随机试题

最新回复(0)

Inordertorepairbarns,buildfence,growcrops,andcareforanimalsafarmer