Where is your mother?
用 she is + 地点
如：She is in the kitchen.
Do you have a sister?
肯定回答：Yes,I do.
否定回答：No,I don't.
Let is eat some rice for lunch.
Good idea.
What do you have on Monday?
We / I have+ 学科
如：We have maths,English,Chinese,history and PE.
不明白的再问,多谢!