edison spent a lot of time ___the experiment

edison spent a lot of time ___the experiment tell me something about Thomas Alva Edison Thanks a lot She spent a lot buying c---- clothes Edison's monther taught him a lot ,and found him ____ (interest ) in science .interested .为什么 He _______ a lot of time on research ______ agriculture.A spent into B spent of She spent a lot of time and money ____ them I spent a lot of time learning dancing同义句 He spent a lot of time____about engines(发动机）. I spent a lot time ( )( )english last year A lot of his money was spent helping others.还是had been spent? Though we spent a lot ,we think it____because we .Aworth Bworth being spent Cworthy of Dworthwhile He spent a lot of time playing with his pei dog (对 a lot of 提问) Edison’s mother taught him a lot,and found him____in scienceA.interesting B.interest C.interested D.to interest at school,Edison asked a lot of questions ____had nothing to do with his lesson.Athat Bwhy Cwhen Dwho Edison edison The school has spent/taken a lot of money improving the equipment.是用spent还是taken呢? l spent a lot of time （）English last weekend.练l spent a lot of time （）English last weekend.练习讲话