Chongqing is ______ most beautiful mountain city and I’m sure to come for ______ second time.
Not _______, the process of choosing names varies widely from culture to culture..
When you are on the bus to work in the morning, smile to the people sitting beside you, you will get his smile ______.
_______ we _______ the new policy for economy, we would never have bought the house.
If you _______ just wait for a moment, I’ll try to find your papers.
Riding a bicycle can be fun. But _______ you ride a bike to work, and then there isn’t one to ride home?