Although we are not sure why we sleep, there is no doubt ______ we need to do so

游客2023-07-14 75

问题 Although we are not sure why we sleep, there is no doubt ______ we need to do so.

选项 A、whether
B、why
C、what
D、that

答案 D

解析尽管我们不确定睡觉的原因，但毫无疑问我们需要这样做。There is no doubt that…为固定句型，意为“毫无疑问……”。

转载请注明原文地址:http://tihaiku.com/zcyy/2835861.html

相关试题推荐

随机试题

最新回复(0)

【B1】[br]【B7】A、andB、althoughC、butD、howeverD前后两句为对照关系，即不强烈的对比。but表示强烈的对比或反义关