换个形式说present at the meeting were some students and theachers

换个形式说present at the meeting were some students and theachers 换一个形式说present at the meeting were some students and theachers at the present at the present at present 与 for the present 区别 有关be present at的用法The experts present at the meeting(出席会议的)were from different parts of the world.为什么 present at the meeting前不用加be动词,不是说be present 有关be present at的用法The experts present at the meeting(出席会议的)were from different parts of the world.为什么 present at the meeting前不用加be动词,不是说be present Treasures at present the person at the present time与at present 的区别 at the present time ,at present ,now的区别` at the present time 和at present一个意思吗 at the moment & now & at present 是什么? only one of the students who ----present ------to speak at the meeting 系动词是那种形式 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? at present=at the present time是否成立?还是at present=in the present time?那in the present time呢 用所给词适当形式填空What he said at the meeting astonished everybody ___( present) at now等于at the moment 等于at present么