Distinguished guests and friends, welcome to our school, _____the ceremony of the 50th Anniversary this morning are our alumni (校友) from home and abroad.
.—He was born in Shanghai but studied in Nanjing . —_________.
._________you don’t go there is none of my business .
One learns a language by making mistakes and_________them .
.I will do what I can_________ the people in trouble .
The teacher told us that water_________at 100℃ .