we don't know what has happened since yesterday since 不是跟延续性动词吗为什么用has happened是不是happen也可做延续性的，

We don't know what to do. What We Don't Know 歌词 We don"t know what we should do next We don't know what we shall do.同义句we don't know_ _do 改错we really don't know what will do next We don't know what to do.(改为复合句) ”You don’t know what wonderful time we’ve had ... we really don't know what danger ________(face) We don't know what we can give her.改为同义句 We don't know （ ） （ ） give her. 英语翻译we know is nothing; what we don't know is immense We should never pretend to know what we don't know.属于复合句中什么种类 请改为同义句.I don't know what we can do.I don't know what __________ We Don T Know 歌词 We Don'T Know 歌词 we don't know what we can give her 改为同义句 we don'twe don't know what we can give her 改为同义句we don't know －－－her don't know what to We don't know what we should do next.改为同意句.We don't know___next.怎么翻译 句型转换 We don't know what we can give her.(改为同义句)We don't know what we can give her.(改为同义句)We don't know ______________________________her.