at now等于at the moment 等于at present么

at now等于at the moment 等于at present么 at the moment 除了等于right now,还等于什么? He is doing his homework at the momen.(对划线部分提问)换线部分是doing his homework at the moment & now & at present 是什么? ___I saw him,I knew what had happened.A.At the moment B.For the momen C.The moment D.For a momet just now与moment agojust now的翻译等于moment ago还是at the moment ago at the moment等于? at the present time ,at present ,now的区别` THE NOW HABIT AT WORK怎么样 The Kings_____ (watch) TV at home now// who was knocking at the door just now?还是who knocked at the door just now? at once right now Now,look at the picture on the blackboard. the man knocked l_ at the door now. Mrs Lin ()(look)at the dresses in the shop now. Mr.And Mrs.Smith arrived at Toronto Airport at the end of a __1__ holidy in America.It was very hot.Mr.Smith took away the beard though he has always worn it.But his passport photo showed him __2__ his beard.An officer looked at the photo for a momen at the moment ; at the present time ; now三个词的区别,最好有举例 Look at the ____(snow)!It's____(snow) heavily now.