What a clever student he is! =
How clever a student he is!
祝你学习进步，更上一层楼！(*^__^*)
（1）what a smart student he is.
what+a/an+n.+主+谓
（2）how smart student he is.
how+(adv.) adj.+n.+主+谓
What a clever student he is!
How clever student he is!
What 后面跟名词，How后面跟形容词
What a clever student he is! How clever a student he is!
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