There used __ a bus stop in the corner.
Do you know the man came here yesterday? — Yes, he brought me the most interesting book I had wanted to buy.
Why did _____ take Aunt Alice almost an hour to get home ? —I don’t know . Maybe there was something wrong with her car .
Excuse me, we can’t ____________ our tickets.
Jim wants to be a volunteer in the 2010 World Expo.—. [ ]