He has not come back__he left.中间填什么

he has not come back 反意疑问句是什么 To my s________,he has come back. Has he come back?对么?不用came? He has not been back yet he has not come back homehis mother (is worrying )about him ,括号里的能换成is worried He has just come back.现在完成时.He has just come back.为什么不是用came?has/have+动词过去式? He has h_____ that Miss White will come back It was not until midnight did he come back. he could not come back yesterday.同义句 My grandfather_____.He is still very tireds.a.has just come back b.has already come back c. have yet come backd.have just come back come back同义词不是go back,那是反义的例：Maybe he has come back now.(同义句）Perhaps he has ------ back now. 请问it seems that he has come back 同义句 he ____ _____ come back 的答案是什么,为什么? He has not come back__he left.中间填什么 Can I see you headmaster at the moment,please?I'm afraid not.He( ) to the USA.He ( ) back 2 days later.A .flew ,will come B.has flown ,will come如果选A 给我个理由 he--in there days.a.has come back b.came back c.will come back d.is going to coming back He has not come yet.和He is not back yet.重要关于not,do not,have not的用法.不是说后面有实意动词就用don't吗?那么has not不是要改成don't.is not也是一样要改吗?还有这一句.怎么副词修饰副词去了呢!It’s wor I'm not sure__or not he will come back home这个添什么?为什么?非常感谢 ()made them much disappointed应该填哪个?求讲解.为什么其他的不能选也讲解下his not coming back ;not his coming back;he not to come back ; not he come back