Ittakesmehalfanhour的知识精选

—Ittakesmehalfanhour
问题详情:—Ittakesmehalfanhour_____playingthepiano.Howaboutyou?  —Iusuallyspend20minutes____it.A.practicing;on   B.topractice;in   C.topractice;on【回答】C知识点:动词和动词短语题型:选择题...
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