---I got up at five this morning, I thought it was Friday.---You _____ so early. It is Sunday today; you don’t have to go to work.
Whether it will do us harm remains_______ .
There, in the corner, sat three girls,_______.
_______the early train,you'll have to get up early and rush in a taxi.
The_______waiter came up to us and said,"You are welcome."
There is a big dog_______to a fence outside the house.