一道英语填空题The little cars of the future will cost less money.It can go only 65,kilometers__________an hour,so driving will be safe.It can save a lot of gas.It will go 450 kilometers,and then it has to stop for more gas.So it is _________(possible)for you to go on a long trip
第一个空:per,per是“每”的意思
第二个空:Possible,就是原型,is+形容词(adj.)