Li Ling is good at writing poems．（改为否定句）
Li Ling good at writing poems．
Jim has never been （be） to Mount Tai in China．
Tom and Jerry have a lot in common． Their （they） favorite basketball player is James Hardern．
Would you mind giving me some advice （advice） on how to plant trees？
Henry's uncle is planning （take） a trip to Dunhuang now．
It is （polite） to keep others waiting in many western countries．