A survey was carried out on the death rate of those who were infected by SARS, _ _______were surprising.
—What’s worrying you, dear? —Nothing. I was just thinking about the problem ______ tomorrow.
A Sichuan government official expressed their thanks through CCTV for the aid they ______ in the last three years.
Only after they had carried out over ten experiments ______ the decision.
It’s reported that the price of meat this month is ______ that of last month.
Thank you for sending us ______ vegetables. You have done us ______ great help.