____ regular exercise is very important, it’s never a good idea to exercise too close to bedtime.
—How about coming to see me in the office tomorrow afternoon?—________,but I have to meet a guest at the airport.
In this institution a medal together with a prize of certain sum of money _______ gains success in science and technology every two years.
After _______ seemed about five hours,we finally arrived at the beaches,just _______ rubbish and thrown- away plastic bags here and there.
This small mountain village is so perfect a place for holidays that visitors never leave it _________.
UN Secretary-General Ban Ki-moon left for Pakistan this morning, his assistant _________ him there this Friday.