Mr. Wang made up his mind to devote all he could_____ his oral English before going abroad. [ ]A. im

题目简介

Mr. Wang made up his mind to devote all he could_____ his oral English before going abroad. [ ]A. im

题目详情

Mr. Wang made up his mind to devote all he could _____ his oral English before going abroad.

A. improve
B. to improve
C. improving
D. to improving
题型:单选题难度:中档来源:河北省模拟题

答案

D

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