Tom is _______ learning English. To learn it well, he abandons all his hobbies.A.bound toB.desperate toC.bent onD.accustomed to
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C解析固定词组。be bound to do sth一定会做某事；be desperate to do sth不顾一切地做某事；be bent on sth/doing sth专心致力于;be accustomed to sth/doing sth习惯于…;句意：Tom专心致力地学习英语。为了学好英语，他放弃了所有的爱好。