判断下列对话，正确的划“√”，错误的划“×”。（每题2分，共10分）
（1）A. May I have a look?       
B. Sure！Here you are！
（2）A. Open the door, please！   
B. Sorry.
（3）A. What colour is your pencil?   
B. I don't know.
（4）A. Who's your best friend?    
B. Chen Jie.
（5）What's your father?       
B. Tall.