Question

) a thing/the more/do/the more /doing /we /it /to like/tend /we
(b) unhappy/we/continue/to do /if /feel/do not /we/it
(c) force /habit/called/the /this /of /is.

Answer 1

1. The more we are doing a thing the more we do tend to like it.
2. If we donot continue to do it we feel unhappy.
3. This is called the force of habit.