阅读对话，选择正确答案。
My mother goes shopping at a supermarket today.
A＝Assistant(售货员)　M＝My mother
A: May I help you?
M: Yes, please. I want to buy some vegetables.
A: The potatoes are very fresh(新鲜的)today.
M: I like potatoes, but my son doesn’t.
A: How about some tomatoes?  They are good for your health(健康)．
M: OK. They are my son’s favourite. Five tomatoes, please.
A: OK. Your bag, please.
M: Oh, no. I have my shopping bag.
【小题1】________ goes shopping today. (　　)
A. My teacher    B. My father    C. My mother
【小题2】________ like(s) tomatoes. (　　)
A. I    B. My mother    C. My father
【小题3】Does my mother like potatoes? (　　)
A. No, she doesn’t.    B. Yes, she does.    C. We don’t know.
【小题4】My mother takes ________ tomatoes. (　　)
A. three    B. five    C. fifteen
【小题5】My mother uses ________. (　　)
A. her shopping bag    B. no bag    C. the supermarket’s bag