I've worked with children before,so I know what ______in my

I've worked with children before ,so I know what ___in my ne I've worked with children before ,so I know what to expect i I've worked with children before,so I know what _____ (expec I've worked with children before,so I know what to expect in I've worked with children before,so I know what___in my new I’ve work with children before, so I know what ___ in my job I have worked with the children before,so I know what ______ I have worked with children before ,so I know what_____in my 英语语法真正高手请进have worked with children before , so I know what 选什么为什么呢、I‘ve worked with children before,so i konw what___in However,I know that I have to improve my English,so I've sta 英语翻译Don't know when I've been so blue,Don't know what's come