几个用适当形式填空I look forward to __（see）you againThere is a gift s

几个用适当形式填空
I look forward to __（see）you again
There is a gift shop on the___（twelve）floor of that centre
All of a __（suddenly）,we heard a loud noise and saw a building on fire.
Graham Bill was the ___(invent) of the first practical telephone
My car broke down and had to walk five km in the rain.This is the ___(bad) day in my life