---I’m sorry to keep you waiting for so long, I’ll shorten the working time.--- ________. I’m not in a hurry.
I’d rather have a room of my own, however small it is, than _______ a room with someone else.
________ he had not hurt his leg, John wound have won the race.
E-mail, as well as telephones, ________ an important part in daily communication.
Mark woke up one morning only to find both water and electricity _______ because he had not been able to pay the bills.
Cycling is highly _______ to people’s health and the environment.