Li Na officially announced his retirement on September 18, 2014, ________ tennis for 26 years.
Please tell me_________
He tried to tell himself to keep calm instead of being angry. It is________
------- we are going there by _____ sea. ------ Don’t you think it too slow? Why not take ______train?
The survivor said it was because of his strong determination _____ he survived the earthquake
Put on your coat! I _______ you down to the doctor.