ADVANCED COMPARATIVE EXERCISES...

There's a beautiful expression in English with the verb to compare; if you COMPARE NOTES WITH SOMEBODY, you  talk to someone in order to find out if their experience of something is the same as yours: Leading scientists got together in Paris to compare notes on current research. (Longman Dictionary of Contemporary English)...
Listening to a good friend's point of view when you need to learn lessons about life is such a gratifying experience!

So here are a few exercises:

Exercise 1.  Comparative structures

Exercise 2. A common problem of advanced students is the difference between AS/LIKE

Exercise 3.  THE/THE COMPARATIVE

Exercise 4. MORE PRACTICE

Exercise 5. ERROR CORRECTION