There has been an icrease ...... the amount of traffic using the road

There has been an icrease .... the amount of traffic using the road.
Everything can be explained. There's a reason .... everything.
When Paul left home, his attitude .... his parents seemed to change.
Ben and I used to be good friends, but I don't have much contact .... him now.
There has been a sharp rise .... property prices in the past few years.
What was Emma's reaction .... the news?
If I give you the camera, can you take a photograph .... me?
The company has rejected the workers' demands .... a rise .... pay.
What was the answer .... question 3 in the test?
The fact that Jane was offered a job has no connection .... the fact that she is a friend of the managing director.