.My little son could do nothing but ___outside all day long.A.playB.to playC.to playingD.to be playi

题目简介

.My little son could do nothing but ___outside all day long.A.playB.to playC.to playingD.to be playi

题目详情

.My little son could do nothing but ___outside all day long.
A.playB.to playC.to playingD.to be playing
题型:单选题难度:偏易来源:不详

答案

A
句子谓语动词是do或句中用to do作定语时,but/except后的不定式一般不用to.

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