27. --- Can I use the telephone on the table, sir? --- Under no circumstances_______the telephone in the office for personal affairs.
— I phoned you at 7 yesterday evening but nobody answered. — Oh, I _______my dog in the park then.
Will was lying on the grass, _______the sky thick with stars.
The teacher, along with 5 of her students, ________talking with a foreign teacher in the English Corner at that time.
Gaining the knowledge ________ environmental protection will help you to become a qualified environmentalist.
— Try not to work yourself too hard. Take it easy. — Thanks. __________