in the present ,at the present,in the presence,at the presence的区别

in the present和at present有什么区别 in the present,at the present分别为什么意思?还有：in the present,at present,at the present这三个短语有什么区别?做题时应如何选择呢? in the present ,at the present,in the presence,at the presence的区别 at present=at the present time是否成立?还是at present=in the present time?那in the present time呢 The students at present are h__than those in the past .()at in this way ,the present situation about birds flu doesn't seem so disappointing为什么选looked , henry can't attend the meeting at present at the present at the present 是in the present situation 还是 on the present situation 还是 at the present situation?situation 的短语 at the present society 还是in the present society或者有什么更好的词没 英语翻译用“in the past”和“at present” at present in the past at this time at that time at themoment时态 等等等等 at present in the past at this time at that time at themoment时态 等等等等 at present 与 for the present 区别 Live in the Present Treasures at present the person in the present 和at present 的区别in the present 和 at present 意思好像都差不多.但高中英语必修1顶尖第29页第2题：Forget about it.We live ____,not the past.A,in the present B.at present C.nowadays D.for present我是选B,但A