347.At present, we can not undertake to entertain your order owning to the uncertainundertake to entertain 怎么解释undertake 这里是答应

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 present 用法Persons ________the concert were famous musicians.A.were present at.B.who are present at.C.present in.D.present at. at present the number of spectators present at the final of the european championship___was well over eighty thousand.a whom we had expected b as we had expected c what we had expected d we had expected that we hadn't excepted so many people present at the meetinga there being b there to being c there is d there to be在excepted so 之间 when we get up ,we find present at the end of out b_____.we o____ them at once. I thought you were present at the meeting.so we did/ 还是so we were 27.The( )at the meeting are all concerned about the ( )A people present,situation present B.people repesent,present situation C.present people,situation present D.present people,present situation28.Amerticans do much business( )lunch,but people here 用at present造句, at present怎么发音? at the present at present怎么读 at the present 用at present 造句 用at present造句 at present是什么意思 at present的同义词 be present at意思+++++++++++++