I busy doing homework.busy后一定要加ing么

I busy doing homework.busy后一定要加ing么 I am busy __work.doing/to do /with请帮个忙啊 I was busy doing cleaning 这句英语对吗 I'm too busy doing anything else?的意思 I am too busy 加doing还是todo 英语考试busy用法father is busy cooking the meal while i'm busy the homework.可以填doing吗 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 homework.还是只能说i'm busy doing my homework. I'm busy doing my homework 对doing my homework 提问 be busy doing造句 I am busy with my homework.同埋I am busy doing my homework.代表咩意思?快速回答 I am doing a large a_____ of writing ,so I'm very busy be busy doing 和 be busy in doing 的区别? be busy with doing 与be busy doing 区别 be+busy+doing=be+( )+( be busy doing等于什么 be busy doing sth 例句 be busy in doing sth be busy doing 过去式+造句