At the moment I now is the true smile not to come out,please understand me now I really anxious!I can only say sorry中文是什么意思

at the moment & now & at present 是什么? I can not come now.At the moment I______(type) a letter.为什么填这个?at that moment用哪个时态?at this moment呢? 根据首字母填空I have nothing to do at the moment .I am not b______ now. just now与moment agojust now的翻译等于moment ago还是at the moment ago at now等于at the moment 等于at present么 I cleaned my classroom _____________.A now B today C last D at the moment now、I’M very busy、、 CAN we talk at the moment?我该怎么回答 just now相当于哪个短语 now . a moment ago . just. at the moment 同义句：I am afraid he is very busy at the moment. I am afraid he （　　）（　　　）　right　now. 同义句：I am afraid he is very busy at the moment.I am afraid he （ ）（ ） right now. At the moment I now is the true smile not to come out,please understand me now I really anxious!I can only say sorry中文是什么意思 I am not online at the moment at the moment 除了等于right now,还等于什么? 请问：目前的英文能用at the moment或 now I'm afraid he isn't here at the moment.（改为同义句）I'm afraid he isn't here at the moment.（改为同义句）I'm ___ he is ___ now. Do you parents know that?-No,I will tell then()A.at the moment B.just now C.right now D.just then I am not drawing at the moment.翻译,顺便指出at the moment是什么意思 at the moment等于now吗用在什么时态 the moment用在什么时态 for a moment 和for the moment呢