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He made up his mind to devote all he could his spoken English before going to college.A. to be pract

编辑:chaxungu时间:2026-04-27 02:53:39分类:高中英语题库

【题目】He made up his mind to devote all he could _____ his spoken English before going to college.

A. to be practicing B. practicing

C. practice D. to practicing

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【答案】D

【解析】devote…to..中 to是介词,后面接动名词