单项选择题
A．to look for Mr. Hill's uncle B．to see Mr. Hill about some trouble at the hand C．to visit Mr. Hill, his uncle D．to meet his mother
A．hardly sees his sister B．sees his sister only at Christmas time C．sees his sister on Jack's birthday D．always sees his sister
A．only remembers one of Jack's seventeenth birthdays B．always sends Jack something on his birthday C．has forgotten all of Jack's birthdays D．has forgotten Jack's seventeenth birthday