--- How many workers are there in your factory? --- There are two ___________.
My interest in stamp–collecting ________ my school days.
Talking about the future, I prefer ________ a businessman ________ be an official.
The system has been designed to give students quick and easy __________ to the digital resources of the library.
If Susan ______ for ten more minutes at the party last night, she might have met Johnny Depp, the famous Hollywood star.
Passers-by rescued a motorcycle driver ______ under a burning car.