let's count in后面加复数还是单数?

-AMP NETCONNECT: 安普布线安普布线安普布线(AMP NETCONNECT)是历史悠久的结构化布线品牌之一,安普认证培训以其权威性被业界广泛接受。-Error AMP: 误差放大器;误差电压放大器误差放大器...两种都属于线性稳压电路,电晶体在电路中运作于主动区,特性近似一个可变电阻,由LM723这颗运算放大器组成误差放大器(Error Amp)...

"There is a series of accidents." 正确.["a" 的前面是不可能用"are"的!]注:"a series of", "a set of"一套, "a portion of", "a chain of" ...要用单数形式 "is/was/has been...".(B):"a series of" 后可加复数名词，不可数名词.参考资料：<a href="http://zhidao....

2、As he said in October, “The American people deserve to know who's trying to sway theirelections, and you can't stand by and let the special interests drown out the voices of the American people.在十月，他还说，“美国人民有权利知道是谁在影响他们的选举，我们不能对少数特殊...

agree to 同意(后面接plan、request、suggestion、proposal等 agree with sb\sb’s idea\what sb say 赞成某人的意见 agree to do sth 同意做某事 all first of all 首先 at all 根本;到底 not ～ at all 根本不～ all along 自始自终 in all 总共 above all 首先;最重要的是 after all 毕竟;别忘了...