People have substituted plastic products for wooden ones,for the production _____ is lowerA.costB.priceC.expenseD.prize选哪个?为什么?

will people have robots different people have different( ) why do people have pets? will people have robots? 是什么意思? Every people have five senses. Different people have different s_______. different people have different Idea different people have different_______(hobby) people will not have to people have always enjoyed laughing People have supper in their Should people have cosmetic surgery? people have five ___(sense) People have to travel___cmels___the desert. People Have the Power 歌词 Different people have different clothes. Society's people have been now realistic,what people some people have an objection to tea