different名词 collect名词 sell反义词 happy名词 stand过去式 busy反义词 careful副词 skip现在分词
问题描述:
different名词 collect名词 sell反义词 happy名词 stand过去式 busy反义词 careful副词 skip现在分词
答
different名词difference
collect名词collection
sell反义词 buy
happy名词 happiness
stand过去式stood
busy反义词free
careful副词carefully
skip现在分词 skipping