_____, we decided to spend the night at the foot of the mountain.

Shanghai authorities have guaranteed the quality ofthe city’s drinking water _____ more than 7500 rotting pigs ______ floating onthe Huangpu River in the past week

Our teachers often ask us ______ over the answers carefully before handing in our papers.

Tomorrow is Tom’s birthday. Have yougot any idea_____the party is to be held

father ______ here yesterday, he wouldhave stopped me from going surfing