______ it rain tomorrow, we would have to put off the sports meeting.
My sister has become a nurse, ___________ was what she wanted to be.
As I know, there is _____ person in this neighborhood.
More and more people have got to know the importance of the English study. _____, about six people in ten in this city are able to speak a little English.
He commanded that the students ______ the classroom before he returned.
Have you seen John recently ? I wonder _______with his classmates.