A-A+ Under such conditions light and atoms may act 2022-08-12 10:12:43 问答库 阅读 195 次 问题详情 Under such conditions light and atoms may act as if they ______ waves. A) be B) are C) were D) will be 参考答案 C在as if引导的方式状语从句中需用虚拟语气，动词用过去式表示和现在事实相反。
