Enoughattentionhasbeenpaid________oureconomicenvironment.A.toimproveB.toi

发布时间：2020-08-04 15:34:18

Enough attention has been paid ________ our economic environment.A.to improveB.to improvingC.to be improvedD.for improving

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B解析试题辨析
本题考查某一词组的用法．pay attention to后需接名同或动同的ing形式．因此
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