With the kind - hearted boy ________ me with my work, I'm sure I'll be able to spare time ________ with your work.A.to help; help you outB.helping; helping youC.helped; to help you outD.to help; to help you
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D解析spare time to do sth.意思是“留出时间去做某事”。前句由with引导的介词短语做伴随状语。空格处的逻辑主语是boy，所以用to help。