摘要： (2010·漳州一中模拟考试) the flight to Australia will be delayed is I'm especially worried about. A.If,what B.Whether,that C.When,that D.Whether,what 解析:考查名词性从句.whether引导主语从句,what引导表语从句.并在从句中作about的宾语. 答案:D

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