Jenny has emptied two bags of garbage _________ the floor .(介词）

Jenny has emptied two bags of garbage _________ the floor .(介词） Jenny has some balls.(一般疑问句) Jenny has a nice dress 否定句 Mary has more beautiful clothes than .Jenny还是Jenny's?为什么?第二句中的Jenny 为什么不用Jenny's? 过去式的时间状语能不能用于完成时?she has emptied the basket this morning.这句话对吗? she has emptied the basket this morning为什么不是现在完成时?书上说是一般过去式,但是怎么也应用了has+done的形式 Jenny has plenty of time for shopping.改为否定句Jenny ( )( )( )time for shopping. Jenny has a soccer ball.(改为一般疑问句） jenny has two new sweaters.对two提问. Jenny has beautiful long black hair.改为一般疑问句 Jenny has been to Shanghai.(改为否定句） Jenny has a nice dress 改为否定句 Jenny has never been to any_______(foreigner)countries Jenny has a nice dress改为否定句 Jenny has a nice dress.改为否定句 Jenny has a great c-------of story books.------填空 Jenny has his party ( ) tiantian street .这里用什么介词? My bag is red ,Jenny a （）has aMy bag is red ,Jenny a （）has a red bag