组卷网 > 高中英语综合库 > 语法 > 句法 > 复合句 > 名词性从句 > 宾语从句 > 宾语从句的连接词 > 连接代词和连接副词引导的宾语从句
题型:单项选择 难度:0.65 引用次数:915 题号:3149968
If you swim in a river or lake, be sure to investigate          is below the water surface. Often there are rocks or branches hidden in the water.
A.whatB.whoC.thatD.whoever
2015·浙江·高考真题 查看更多[9]

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