be engaged in doing这里的in可以省略吗?

be engaged to do与be engaged in doing区别 be engaged in doing这里的in可以省略吗? be engaged in用法be engaged in doing sth.可不可以,这短语没学过,看词典例句好像都是加名词,没有加动词的 be engaged in w_ be engaged with &be engaged in的区别 in engaged be engaged in和be trapped in的区别 be involved in与be engaged in的区别 engage in和be engaged in有何区别? engage in 与be engaged in有啥区别? 我的句子是否有语法错误?翻译一下.it is necessary that you should be experienced in work.it is necessary that you should be engaged in doing housework. be occupied in doing be behind in doing engaged in target practice 我自己写的英语句,求高手老师来鉴定错误.为什么错了,1.Not only was he experienced in work,but also he was engaged in writing books.2.It is necessary that you should be engaged in doing housework. be expert at doing 还是in doing be engaged by 什么意思 be in charge of doing