用方框中所给单词的适当形式完成下列小对话
A: What’s your plan for the weekend?
B: I am going to visit Beijing with my parents.
A: Oh, you should(应该)take a ______ with you.
A: Where are you going, Daming?
B: I am going to a ______ to buy some books and magazines.
A: Do you know the tall man over there?
B: Yes. He is Mr Smith, our new English teacher.
A: You are ______.
A: Your city is really beautiful.
B: Thanks. A lot of ______ come to visit it every day.
A: Sandy, ______ you open the window, please?
B: Certainly.