E-mail, as well as telephones, ________ an important part in daily communication.
A survey of the opinions of experts ________ that three hours of outdoor exercise a week ________ good for one’s health.
--We ________ that you would fix the TV set for us. --I’m sorry, but I was too busy, so I ________.
________ is no possibility ________ Rob can win the first prize in the match.
. --Were you late for the film? --Very late. Half of it ________ by the time we ________ the cinema.
Cars do cause us some health problems—in fact far more serious ________ than mobile phones do.