I doubt _______ they can complete the bridge ahead of time.
分类: 英语(一)(00012)发布时间: 2024-08-12 17:44浏览量: 0
I doubt _______ they can complete the bridge ahead of time. A、whether B、that C、why D、what 【正确答案】:A 【题目解析】:doubt 用在肯定句中,之后的宾语从句用 whether 或 if 引导。用在否定句中,后接宾语从句用 that 引导。