______ it have been the failure to pick up directions from the ground control that caused the air crash?
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.
Greatly moved by her words, __________.
The population of many Alaskan cities has ______ doubled in the past three years.