改错：Cleveralthoughheis,hedoesn'tstudywell.

来源：语文精选馆 1.68W

改错：Clever although he is, he doesn't study well.

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although→as/though　形容词提前，构成倒装。让步状语从句的倒装只能用as或though来引导，而不能用although。其构成为“名词/副词/动词/形容词/过去分词＋as/though ＋主语＋动词＋其他成分。”