Li Yuchun’s song was a________at once and its recording tape rose to No.1 on the best seller list.
Charles Babbage is generally considered ____ the first computer.
Look at the trouble I am in. If only I _____ your advice.
This is ____________you are mistaken.
Was it in the village ______ we used to live in _________ the accident happened?
---- It is getting late. I am afraid I must be going now. ---- Ok. ____________.