It was ______ back home after the experiment.
Sitting at the back of the room but in front of some old men and women ______ a very shy girl with two bright eyes.
They wouldn’t agree to sell the house to us at the same price ______ they had asked, ______ was rather disappointing.
The meal over, the manager went back to the meeting room to ______ their discussion.
The population of many Alaskan cities has ______ doubled in the past three years.
---In the past ten years, there have been many changes in family life.--- Are these changes ______?