more than 100 workers from the Wang Jialing Coal Mine()in April this yearA、is savedB、are savedC、was savedD、were saved

I have worked with him for some time and have found that he is ( ) than John.1.more efficiently a worker 2.a more efficient worker为什么? i have found that he is --than johnmore an effcienient worker 为什么请解释我问的是为什么是 more an effcienient worker 顺序而不是an more effcienient worker I have been an engineer for more than ten years,but I was once a worker for three years.这里was once a worker 为什么不是had been a worker? 英语里比较级可以省略than吗?bill worker harder than joebill grows more flowers mary hasn't many photos.butjane has more 这两句里是否都省略了than? more than more than more than more than more than more than more than ‘ it's reported that more than one worker _been fired since July.A.have B has C having D have had说明下理由. People can live ( )more than 100 years. worker more than.想知道more than.of 注意不是more than . no more...than 与 not...more than More than ever 中的more than More than More than words啥意思?