stady、stop、leave、help、say、see、call、pick、buy的现在分词和过去式、过去分词
stady、stop、leave、help、say、see、call、pick、buy的现在分词和过去式、过去分词
英语人气：698 ℃时间：2019-08-16 21:09:11
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应该是study吧?study-studying-studied-studiedstop-stopping-stopped-stoppedleave-leaving-left-lefthelp-helping-helped-helpedsay-saying-said-saidsee-seeing-saw-seencall-calling-called-calledpick-picking-...
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