unit11.在人们家中inpeople’shome2.在家通过电脑学习studyathomeonputers3.将来inthefuture4.免费的befree5.活到200岁livetobe200yearsold6.一百年之后in100years7.一张纸apieceofpaper8.更多/更少的树more/fewertrees9.更多/更少的污染more/lepollution10.更少使用地铁usethesubwayless11.更多使用usesthalot12.同意某人的意见agreewithsb13.与谈话talkto/withsb14.使用某物做某事usesthtodo15.在上
小学beinelementary/primaryschool16.独住在一间公寓liveinanapartmentalone17.乘坐火箭到月球flyrocketstothemoon18.爱上fall...