--- ________ does the old man go to his daughter’s?--- He has no money. He has to go there on foot.A. How long B. How C. How often
Beijing is one of the _________________ in the world today .
I don’t know if he __________ tomorrow . If he _______ here , I will call you .
Can you __________________ other ways to solve this problem?
There used to be a hospital , __________?
Could you ____ me ___ some information about student exchange programs?