sb spend sometime (in) doing sth 中的 (in) doing sth 是什么成分?

sb spend sometime (in) doing sth 中的 (in) doing sth 是什么成分? sb spend sometime in doing和sb spend sometime on sth各造两个句子,一共 sb spend some time in doing sth sb.spend time(in)doing sth. sb spend time mony in doing sth sb in doing sth spend sometime doing sth 语法分析 sb spend + doing sth spend ...on(in) doing sth ---------------------------------- join sb in doing Sth 中的in可省略吗:-). Help sb in doing sth中的in可以省略吗? 英译汉.①sb spend $/time on sth ②sb spend $/time in doing