study by themselves是什么意思?

study by themselves是什么意思? “study by themselves”的中文意思 the underlined phrase 6study by themselves'是什么意思这是一个选择题：the underlined phrase 6study by themselves' means'______in Chinese.A.和他们一起学习 B.自学 C.向他们学习 D.通过学习 what's the chinese ofstudy by themselves?if one wants to learn anoter language well，what must he do？what's the chinese of study by themselves? by themselves意思 by themselves什么意思 apply themselves to the study是apply to 的什么用法? They arranged that they would make the machines themselves.这里的themselves是指什么?是不是少了个by? What must one do if he wants to learn another language well?还有What does their own languagemean还有 What's the Chinese of study by themselves? carry,themselves,don`t,often,people,things,thet,by(?) 连词成句题错了carry，themselves，don`t，often，people，things，they，by(?) 连词成句这次是对的 The students cleaned the classroom (by themselves)还是(themselves) 连词成句 carry,themselves ,don't ,often,people ,things,they ,by注意标点是 ”号 They cleaned the kitchen by themselves they will pay by themselves怎么翻译 有没有 by students themselves 的说法 they should make a (l__)by themselves. 是theirselves还是themselves Teenagers should lesrn to do things ___________.A. for themselves B. by themselves C. themselves D. all the above 应该选哪个? 是B 还是D?请说明一下.