我只听讲过be on a diet 和go on a diet,那什么叫keep on a diet>?

我只听讲过be on a diet 和go on a diet,那什么叫keep on a diet>? 听力中什么叫keep on a diet?我只听讲过be on a diet 和go on a diet,那什么叫keep on a diet>? keep on a diet 只听讲过go on a diet 节食,keep on a diet Be on a diet be on diet是什么意思? be a diet 汉语意思是什么 go on a diet 汉语意思是什么 go on a diet Lots of girls are on a diet to be slim . to be/go/put sb.on a diet这些搭配都是节食的意思么是不是去掉to和sb也可以讲得通?就是be/on/put a diet? on diet ,on a diet都可以吗 短语翻译:go outinggo outingjump the queueplay a joke on sbcatch an pooprtunityafford to do be on a diet谢谢 a balance of diet和balanced diet 意思一样吗? i'd go on a diet= i __ go on a diet 节食的英文短语是“go on diet”还是“go on a diet” 帮我写一篇作文吧,英文的‘Do you want to be a vegetarian?’Why or why not?Can you give me some suggestions to people on a healthy diet? Jean made up her mind to__in order to become slimmer.A: start diet B:go on a diet C:diet herself D: go for a diet She is on a diet.为什么diet前面可以加a呢? 根据首字母和句意写单词 I am afraid you are a little h( ),you`d better go on a diet.