-- _____is that used for?---_____ the floor.
I come to tell you Jack _____ for London next month.
--They all agree _____ George. Has the project been passed? --Who _____ George can make the final decision?
We are just _____ calling you up _____ you come in.
--How often do you go to the library?--______.
I can't understand it, will you please _____ once more?