i help my teacher find her books,maps and pictures on her ( ).i tell her everyone is here .

问题描述:

i help my teacher find her books,maps and pictures on her ( ).i tell her everyone is here .
A.desk B.bike C.chair D.floor 选一个.为什么?

A desk
我帮老师找到了他的书,地图和图片在(),我告诉她所有东西都在这里
a 书桌 b自行车 3椅子 4地板