根據短文內容及首字母提示,Peoplemayeasilyignorethatwearelivinginawor...
2019-11-20
問題詳情:根據短文內容及首字母提示,Peoplemayeasilyignorethatwearelivinginaworldfullofdifferentc __1_,suchasred,blue,green,black,v____2___andsoon.Wecannevertellhowmanykindsofthemthereare.Butweallknow...