题目内容
【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
【答案】D
【解析】devote…to..中 to是介词，后面接动名词
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题目内容
【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
【答案】D
【解析】devote…to..中 to是介词，后面接动名词