Groovy prepositions

Question 1

In the end

vs

At the end

Answer 1

In the end: Used to signify in conclusion or in summary

At the end: Used to signify a time period.

At the end of the game, our team won. In the end, our team won.

Question 2

On-time

vs

In time

Answer 2

On-time: Used to signify punctuality.

In time: means that something happened before it was too late

Luckily, the document arrived in time for the wedding.

I am always on time for class.

Question 3

It took two months to recover from the injury.

Answer 3

When you recover from an illness or an injury, you become well again.

Question 4

Every day, people are becoming more preoccupied with health.

Answer 4

preoccupied with/about - a little formal​

worried about - more informal