_________useful advice it is ? A.What a B.How a C.What D.Ho

_________useful advice it is ? A.What a B.How a C.What D.How

C

考查感叹句。What引导感叹句,后面接名词或者名词短语。How引导感叹句,后面接形容词或者副词。本题后面是不可数名词,不能加a,用what表示感叹。句意:多么有用的建议啊!
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