首页 / 百科 / 内容详情 We booked rooms at the hotel （）we should find no vacancies on our arrival. 2022-04-30 4次阅读 vacancies arrival booked We booked rooms at the hotel （）we should find no vacancies on our arrival. A.wheneverB.ifC.sinceD.lest正确答案：lest Some people think that nuclear war would mean the end of （）. Troy was very clever for his age and had already figured out ways to （）her. 猜你喜欢