--Look! What are the Greens busy doing?-- Mrs Green is cutting the grass; _________, her husband is planting the roses.
Every second counts in the exam, _________ means you must make the best use of the time available.
John isn’t here right now. He ______ Mr. Black’s office. Perhaps he______ in several minutes.
It is said that the second book __________ is written by the singer hasn’t come out yet.
— Dad, would you please buy some strawberries for me? I love them. — I'd like to, but they are not _____ in winter.
So suddenly _____ the disease that the whole family were at a great loss.