They were difficult for me before they became my habbits.此句中

They were difficult for me before they became my habbits.此句中 they were too difficult for me They say they were happier before they became rich. They say they were happier before they became rich and famou how my parents were occupied and all before they had me They were my friends 改为否定句 -----They were good friends before,but they They were busy the day before yesterday.改为同义句 all things are difficult before they are proud,parents,said,were,they,of,my,me 连成句子. they were not late for school any more.的同义句 they were late f They were late for school yesterday.否定句