What did customers complain in the survey?
It took______to settle their complaints.
__ (国王释放犯人的决定) surprised all the people.
What can you do if you are not sure about the postage?
Ask ______.
My father (read) __ your thesis all the afternoon.
According to John May, the population expert from World Bank, the solution to the overpopulation in Africa is ______.
You should avoid (meet) __ her in the street.