One of the greatest benefits of Internet friendships is that they are based on common interest ________ appearance, age or popularity.
—— Where ________? —— I got stuck in the heavy traffic, or I_____here earlier.
They must have been here the day before yesterday,____?
Mr Bush is on time for everything. How___it be that he was late for the opening ceremony?
I you a beautiful present for your birthday,but I was short of money at that time.
I lost your address, otherwise I____you long before.