He spends _________on English and he’s _________it．A.enough time；enough good atB.time enough：good enough forC.time enough；enough good forD.enough time：good enough at
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D解析此题重点考查固定句型结构sb spend some time (in) doing sth/sb spend some time on sth意思是某人花费时间做某事；be good at sth表示擅长做某事。形容词enough修改名词应放在名词之前。