There is a lot of problems to settle 还是to be settled?

There is a lot of problems to settle 还是to be settled? 在with a lot of problems to settle 中为什么to settle不用to be settl with a lot of problems to settle,the president is having a h 是i have a problem to settle还是i have a problem to be settled? 一道关于there There ____ going to be a lot of people.填is还是are后面是 there are so many problems remaining to be settled.这里的remain there are so many problems remaining to be settled?REMAIN不是没 英语翻译If there is to be a serious effort to improve the lot of there is a lot of housework to do.to do是定语还是主补? There is a lot of to see at the party.There is a lot to see There are a lot of things to be done . there used to be a lot of manatees是什么意思