Before going abroad he devoted all he could _______ his oral

Before going abroad he devoted all he could _______ his oral English.
A.improve.m
B.to improve
C.improving
D.to improving
总瓢把子6 1年前 已收到1个回答 举报

妖颜 春芽

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答案D
注意两点:一是 devote … to … 是固定搭配,意为“把……贡献给……”;二是其中的 to 是介词,不是不定式符号,后接动词时要用动名词.

1年前

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