-What does Lucy like better, singing or dancing?-Singing, of course. She's known to ________ it.A.be good atB.be good forC.be bad atD.be bad for
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A解析be good at为固定搭配,意为“擅长做某事。初中英语中有些这样的固定用法应记牢,而不能似是而非。如:be good at, be bad at, be poor in, be weak in, be fit for.