CDL questions?

Studying the book here in Missouri to obtain my class A CDL with air brakes and HAZMAT endorsement. Any of you that has one may have suggestions for me on either the written or driving skills portion. What did you guys or gals have trouble with? What should i take special note of? Any and all suggestions would be greatly appriciated. Now back to studyin. I plan on taking the test this wednesday. Advice is appriciated. Thanks
Small Block

On the written;
Here in IN we can keep taking the various tests until we fail one. Then we can come back the next day to pick up with the test we failed at. Each time you fail a test, you go over it before you leave then come back the next day to resume testing with the last test you failed. You keep testing till you pass all the different endorsements.
I tested to study. Didn't hit the book once. It took me three days to pass all 7 tests. I found taking the tests the best form of study. The haz mat is the hardest section to pass, and was the one section I studied after failing the first time.

On the driving;
X2
with everyone on the pre trip. Use exact terms also. gasket vs. seal, bolts vs. hardware, etc, use same term as in book. If you can practice this on your own truck.
No shift on tracks
No excessive talking during the test. Only speek when spoken to. This will help with your concentration.
Relax it's just a big Abody with a trailer.
Good luck.