英语题目（要有解题思路哦）—Can I have some ice cream,Mum?—Sorry.There is

英语题目（要有解题思路哦）
—Can I have some ice cream,Mum?
—Sorry.There is （ ）left in the fridge.
A.none B.nothing C.no one D.anyting
Shirley has been used to ( )her pet dog after dinner.（带……散步）
It's ( ）possible that robot teachers will be popular in schools some day.(true)