题目内容
_____ is no doubt ______ you have to remain seated and fasten your seatbelt before the plane lands.
A. There; whetherB. It; thatC. There; thatD. It; whether
C
【解析】
试题分析:句意:毫无疑问,在飞机着陆前,你要坐着,系紧安全带。这里使用了固定句型:It is no doubt that…“毫无疑问…”,that连接的是同位语从句,如果是There is doubt后面用whether连接宾语从句,所以选C。
考点:考查doubt的用法和同位语从句
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