高校问答企业信息管理系统源码:Mary is ______(正致力于......)her math problem. 横线处怎么填？
来源：百度文库 编辑：高校问答 时间：2024/05/12 12:36:08
be in the throes of
be working at
be engaged in
三个都可以,不过要是你是初中学生的话,我推荐你用中间的,在线上写上working at就可以了.
devoting herself to
Mary is ______(正致力于......)her math problem. 横线处怎么填？
Mary is being_________
Mary is being _____
Is Mary coming to the concert?
--Is red girl in the Mary?
( )the two girls,Mary is the brighter.
10. Mary’s birthday is ____time .
He is ______ asking questions.
Mary is a case in point. 和A case in point is Mary. 的区别
Mary is going back to Canada next week .(英译中)