We are having a party___ eight o’clock___ the afternoon___ New Year’s Day.

The company launched a large advertising ________ for their new products. [ ]

Care of the soul is a gradual process _____even the small details of life should be considered.

Many social workers went to Jiuzhaigou to help______ clean water and food to local people to reduce their pain from the earthquake.

Peter _______ annoyed on the phone, but I really had no idea what was wrong.