The reason it is (2) ____ trying to answer is [...]

Learning how to think is (12) ____ another.

However, some people argue that the (11) ____ system is in fact a failure because it doesn't actually teach children how to become good thinkers. 

...when we come to deal (10) ____ more practical aspects of day- to-day living.

The idea is that we can then (9) ____ use of that ability later on in life...

At school, what we are (8) ____ learning is how to learn effectively. 

One answer may be that schools don't (7) ____ to help us gain useful knowledge about the world.

Why do they neglect to teach (6) ____ skills at school?