Many of the things we now benefit from would not be around _______ Thomas Edison.
He works as an engineer now, but he _____ on a farm for three years.
Wu Juping, ______ the most beautiful mother, is also popular with foreigners for her saving the baby _________ off the high building.
__________ to the left at the crossroads, and you will see the railway station on your right.
He got up late and hurried to his office, ______ the breakfast untouched.
Unfortunately, the research was limited __________ increasing economic profits, _________ protecting the environment.