During the scientific experiment, Mr. Chen carefully poured the water into the tube, with my classmates _______ beside to see what would happen. 

 All the factors ________,we decided to offer the job to Liwei , a man of rich experience. 

_______ only one week left before the final examination, we’re kept busy going over our lessons.

With a lot of difficult problems_____, the newly-elected Prime Minister will have a hard time.

In New Zealand,people lives in the houses with their doors ________north.