I can meet you at eight o'clock or __________ you can pick me up.
It is difficult for us to learn a lesson in life_____we’ve actually had that lesson.
Lucy has_____all of the goals she set for herself in high school and is ready for new challenges at university.
Hardly could he_____this amount of work in such a short time.
________ fire,all exits must be kept clear.
I wanted to catch_____early train,but couldn’t get_____ride to the station.