---Who is _______ man with a ponytail (马尾辫)under the tree ?--- Sorry, I don’t know. But I think he must be ______ artist.
—I don’t think ________ polite to speak to old people like that.—I’m sorry for that.
All of us believe he has a gift ________ dancing.
Take a map with you while traveling ________ you have a guide or know the city well.
The little girl is very shy. She _______ speak in public.
My grandfather have an old house in _____ they have lived for 70 years.