be busy with后面接什么,可以接动名次么,

busy的用法be busy with后面加什么词be busy in doing与be busy with doing be busy with 后可以跟什么 be busy with 后加名词,后面可以加动名词吗?比如说,i'm busy with doing my homew must be 后面可以接什么 be satisfied 后面可以接什么介词 be busy with sth.什么意思 求分析语法结构,特别是enticing动名次作什么,后面的从句怎么分析 be busy with sth be busy with BE busy with 还是 BE busy to be busy with与be busy in be busy with sth 与be busy doing sth的区别 ,可以互换吗