来自蒋晓悦的问题
Thereisapictureon_____sideofthepaper.A.allB.eachC.bothD.every
Thereisapictureon_____sideofthepaper.A.allB.eachC.bothD.every


Thereisapictureon_____sideofthepaper.A.allB.eachC.bothD.every
Thereisapictureon_____sideofthepaper.A.allB.eachC.bothD.every
答案选each因为一张纸有两面所以不选every(很多面)
side是单数所以不用all和both.