It happened to be very cold ___ the morning of our sports meet.
There have been many excellent questions ______ recently regarding the new building proposal.
Not _______, the process of choosing names varies widely from culture to culture..
When you are on the bus to work in the morning, smile to the people sitting beside you, you will get his smile ______.
_______ we _______ the new policy for economy, we would never have bought the house.
If you _______ just wait for a moment, I’ll try to find your papers.