英语的主谓一致问题
1..Over 80 percent of the population ( ) workers
A.is B are C has D have 我选A,可是答案是B,为什么,谓语动词不就是由主语（the population）决定的么?
2..All but him and me （ ）to the exhibition
A go B is going C are going D went
此时All是单数还是复数意义?
可是主语是population啊！