Your mother be over forty! She looks so young! — Thanks. She will be happy.

Mr. Wang is very friendly, and ______ like him very much.

Have you ever been to theSports Center ____ is just opened in town?—No, notyet.[ ]

Do you know the artist _______ the judges gave a prize? —Yes. He is the teacher _______ I have been taught painting for two years. [ ]

It is obvious that people hold different opinions about ____ voluntary services should be financially rewarded.