It was because of the bad weather __________ the football match had to be put off.(推迟)

______ flag-raising ceremony was held at the Golden Bauhinia Square on July 1 to celebrate ______ 17th anniversary of Hong Kong’s return to China.

_________ more and more forests damaged, some animals and plants are facing the danger of dying out.

__________about the earthquake in Sicuan keep everyonein deep sorrow.(悲痛)

Do you get together with your old friends?—Yes, from time to time, but not ___ ___