When is the meeting?I do not know.（连成一句） I do not know ____

When is the meeting?I do not know.（连成一句） I do not know ____ know ,I,not,that,do怎么连成一句? When shall we meet?I do not know(合为一句) I do not know ___ ___ I do not know I do not know who is he? I do not know how she is 陈述句语序一I do not know when he will come back.二I do not know wh I do not know the love a person is wrong? I do not know where is the problem 同义句转换：1.I do not know what Ishuld do next.I do not know ( ) 请问 I DO NOT KNOW I do not know how long the river is=I do not know of the riv