Tina， is your father a teacher？
Yes， he is． He ___________ English for nearly 20 years．（ ）
A．is teachingB．teach
C．has taught
My sister______ the piano very well， but she hasn't had time to play recently．（ ）
A．will playB．has playedC．playedD．plays
It's very kind of you to help me． Thank you very much．
______．（ ）
A．Thank you
B．Don't thank me
C．Sorry to help you very little
D．You are welcome
How is the young man？
_____________．（ ）
A．He's twentyB．He's much better
C．He's a doctorD．He's Mr Smith
Hello， haven' t seen you for a long time! You look fine!
________________（ ）
A．Oh，noB．ThanksC．GreatD．Not at all
Excuse me， where' s the library？
____．I'm new here， too
Thank you all the same．（ ）
A．Sorry， I don't knowB．That way， please
C．This is the libraryD．There it is