The shortage of affordable housing is not ____ a Beijing problem
On the contrary, I think it is Truman, ______ you, ______ to blame.
A modern city has been set up in _____ was a wasteland ten years ago.
Is this the reason ______at the meeting for his carelessness in his work?
She speaks as if she ____on the spot.
______ it______ for your help,I couldn't have made any progress.