the little girl has () on her nose A.a glass B.a glasses C.a pair of glasses D.a pair of glass

问题描述:

the little girl has () on her nose A.a glass B.a glasses C.a pair of glasses D.a pair of glass

C
一副眼镜:a pair of glasses还有一道:There are () on the desk.A.some paperes B.four pieces of paper选哪个?B为什么?paper不可数,不能是papers,要说必须是some pieces of paper