settle problems和 settle questions 哪个对

They settle down还是They are settle down,哪个对 settle settle down 和settle 3Q settle in 和 settle down的区别 settle和settle down 的区别 take a stand和settle 在with a lot of problems to settle 中为什么to settle不用to be settl settle down settle是什么意思 settle into With so many problems to settle可以换成With so many problems to There is a lot of problems to settle 还是to be settled?